TKDMR 160Pcs Copper Wire Lugs AWG2 4 6 8 10 12 with Heat Shrink Set, 80Pcs Battery Cable Ends Ring Terminals Connectors Tubing Assortment Kit

160Pcs Copper Wire Lugs AWG2 4 6 8 10 12 with Heat Shrink Set, 80Pcs Battery Cable Ends Ring Terminals Connectors Tubing Assortment Kit

Features

  • 【What You Get:】In this set, we offer 10types 80Pcs of AWG 2 4 6 8 10/12 ring terminals copper lugs battery cable ends open end termination ring terminals with 80 Pcs 3:1 Dual Wall Adhesive Heat Shrink Tubing for your work which meet your different needs.
  • 【Design High Quality:】 All the SC ring terminals are made of 100% annealed electrolytic grade copper for maximum conductivity, with tinned surface for corrosion protection.Can be Crimped or Soldered.inspection window design allows visual inspection of proper wire insertion.All the 3:1 shrink tube is well made of high quality material, thick and durable.They are for up to 600V, 257 degrees Fahrenheit which ensures its safe and reliable.
  • 【Reliable and Easy to Use:】All the cable lugs are common size which meet the US standard. Terminals with heavy duty construction improves high temperature durability and ensure connection reliability; high standard flared opening for easy wire insertion. Meanwhile, these battery lugs can be crimped or soldered to the wire cable ends depending on your preference.
  • 【Wide Applications:】 These battery cable wire lugs are ideal used for distribution box, marine, golf carts, solar panels, home applications, etc. Heat shrink tubing is compliant with vehicle, motorcycle, boat, DIY electrical wirings and other outdoor applications.
  • 【Best Customer Service:】We stand behind the quality of our copper wire lugs. If you have any problems concerning our product, please contact us as soon as possible. We absolutely provide fast response and the best customer support . Start making connections easier!

Specifications

Size 10 Kind Sizes
Unit Count 160

A 160-piece termination kit containing 80 copper ring terminals in assorted sizes for AWG 2–12 and 80 pieces of 3:1 dual-wall adhesive heat-shrink tubing, intended for battery cable terminations and general electrical connections. The ring terminals are made from annealed electrolytic copper with a tinned finish and inspection window, can be crimped or soldered, and the heat-shrink tubing is rated to 600 V and 257°F (125°C) for environmental sealing.

Model Number: TKDMR

TKDMR 160Pcs Copper Wire Lugs AWG2 4 6 8 10 12 with Heat Shrink Set, 80Pcs Battery Cable Ends Ring Terminals Connectors Tubing Assortment Kit Review

4.4 out of 5

Why I reached for this kit

There are a few things I expect from a lug and heat-shrink assortment: real copper that takes a crimp well, a sane spread of sizes for common battery and DC work, and heat-shrink that actually seals instead of just tightening. The TKDMR lug kit hits most of those notes for a fair price, and after running it through several small projects—12V battery hookups, an inverter install, and a small solar combiner—I’ve got a clear sense of where it shines and where it’s better as a stopgap.

What’s in the box

  • 80 tinned copper ring terminals covering wire sizes from AWG 12 up to AWG 2
  • 80 pieces of adhesive-lined, 3:1 dual-wall heat-shrink tubing
  • The expected spread of ring sizes (my calipers put the ring IDs roughly at M6, M8, and M10 across the assortment)

The kit is divided into 10 lug types, with duplicates where you’ll use them most (M8 in the mid-to-large wire sizes). The heat-shrink selection mirrors the lug sizes well enough that you’re rarely hunting for a piece that fits.

Build quality and design

The lugs are made from annealed electrolytic copper with a tinned finish, and each has an inspection window. The tinning is clean and consistent; it wets nicely when soldering and doesn’t flake or powder when crimped. The barrel has a slight flare that genuinely helps with wire insertion, even on oxidized fine-strand cable.

A note on wall thickness: measured at the barrel and palm, I saw roughly 0.7–0.8 mm. That’s thinner than heavy-wall, marine-grade lugs from premium brands. It isn’t flimsy—these don’t fold up under a proper crimp—but you should set your expectations. For stationary battery cables, solar leads, and general DC wiring, they’re fit for purpose. For high-vibration, high-current marine engine bays or off-road winch leads that see shock loads, I’d step up to thicker lugs.

The heat-shrink is a bright spot. It’s true 3:1 dual-wall with a good bead of adhesive. With a heat gun, the adhesive flowed cleanly and sealed over jacket irregularities and the lug barrel shoulder. It’s rated 600 V and 125°C (257°F), which is standard for this class and enough for most DC and automotive environments, though not for prolonged exposure near exhaust components or other high-heat zones.

Size assortment: what you can actually do with it

Across a week of jobs, I used:

  • AWG 2 to terminate 2/0-lookalike “big three” style battery upgrades on a small inverter (I had to adapt down using the AWG 2 lugs, which fit true 2 AWG properly but not 1/0).
  • AWG 6 and 8 for a small solar combiner and charge controller runs, mostly M8 rings for breakers and bus bars.
  • AWG 10/12 for accessory leads in a vehicle and a bilge pump service loop.

The ring IDs were sensible: most M8 hardware fit without slop, M6 fit snug on common studs, and M10 worked for battery posts and some shunts. If you routinely use M5 or larger than M10, you’ll need other lugs.

Crimping and soldering experience

These lugs are advertised as crimp-or-solder, and that’s true. I tried both:

  • Crimping: With a hex-die hydraulic crimper, the barrels formed cleanly and held a pull test on all sizes I tried. With a hammer crimper, results were acceptable on AWG 6 and smaller; on AWG 4 and 2, the thinner barrel benefits from the more uniform compression of a hydraulic. If your only tool is a hammer crimper, aim for two staggered strikes and follow with adhesive-lined heat-shrink for strain relief.
  • Soldering: Pre-tin the stripped conductor and flux the barrel lightly. Heat the lug, not the solder. The tin plating wets quickly and the 3:1 heat-shrink cleans up the joint nicely. Avoid wicking solder too far up the conductor; you want to keep the crimp/solder zone short to preserve flexibility.

For vehicles and boats, I still prefer a proper crimp as the primary mechanical joint, with solder reserved for specific use cases. This kit accommodates either approach.

In use: electrical performance and durability

On a 12V inverter pull test (brief surges to ~100 A on 2 AWG), terminations stayed cool and solid. On a 30 A solar controller with AWG 8, crimps remained tight after several thermal cycles in an enclosure that hit about 55°C. The adhesive-lined heat-shrink did its job sealing against dust and light splash.

Where I’d be cautious is long-term, high-vibration scenarios with heavy cable and high current spikes. The palm thickness and overall mass of the lug are lighter than some premium marine lugs; that’s a tradeoff at this price point. If you routinely run winches, high-output alternators, or gear in off-road environments, keep a heavier-wall lug on hand for the critical runs.

Small touches that help

  • Inspection windows: Helpful for verifying full conductor insertion, especially when working with fine-strand tinned cables that can splay.
  • Flared barrels: They genuinely reduce frustration when working in tight compartments with stiff cable.
  • Heat-shrink fit: The selection isn’t random; I could match tubing to lugs without having to split or double up.

What I’d improve

  • Lug wall thickness: A slight bump in barrel and palm thickness would make these suitable for even rougher service without raising cost dramatically.
  • Labeling: Bag or tray labels indicating wire size and ring size on each compartment would speed up selection on the job.

Tips for best results

  • Use a hex-die hydraulic crimper for AWG 4 and 2. You’ll get a more uniform compression and repeatable results.
  • Always finish with the included adhesive-lined heat-shrink. It’s not just cosmetic; it provides strain relief and moisture resistance at the barrel transition.
  • Pre-clean old copper cable. A quick brush and a dab of flux yields better wetting if you solder, and better bite if you crimp.
  • Support the cable. If the last few inches are unsupported, any lug—thick or thin—will fatigue sooner.

How it compares

You can certainly buy heavier-wall, UL-listed lugs from premium brands, and if your work demands that level of robustness, they’re worth it. But for general electrical, battery maintenance, small solar, and DIY marine or automotive projects, the TKDMR kit’s value is compelling. You get a broad assortment, decent metallurgy, and good heat-shrink in one box. Notably, the heat-shrink included here is better than the generic mixed-bag tubing that often sneaks into budget kits.

Who it’s for

  • DIYers wiring up inverters, RV or van systems, scooters, carts, and small boats
  • Home solar tinkerers building combiner leads and controller runs
  • Mechanics and hobbyists who need a reliable assortment on the bench for occasional battery cable work

Who should consider something heavier:

  • Marine techs working near engines or in areas with continuous vibration
  • Off-road enthusiasts wiring winches and high-current accessories
  • Anyone who needs UL-listed, heavy-wall lugs for commercial work

The bottom line

The TKDMR lug kit brings together the right sizes, genuine copper construction, and surprisingly good heat-shrink in a package that’s easy to reach for and hard to fault at the price. The tradeoff is wall thickness: it’s adequate for most jobs, but not the last word in ruggedness. Use a proper crimper, finish with the included tubing, and these terminations will hold up well in typical DC applications.

Recommendation: I recommend this kit for general-purpose battery and DC wiring, small solar projects, and automotive or marine accessory circuits. It’s a strong value with good usability. If your application involves sustained high vibration, extreme current spikes, or professional compliance requirements, pair this kit with heavier-wall lugs for the critical runs while keeping TKDMR on hand for everything else.



Project Ideas

Business

Pre-Terminated Battery Cable Kits

Offer custom-length, pre-crimped battery cable kits for boats, RVs, golf carts and solar setups. Use the full assortment of AWG sizes and the 3:1 adhesive heat-shrink to deliver finished, inspected terminations (inspection window visible), marketed as time-saving, safer replacements. Sell kits with installation instructions and optional crimped-vs-soldered notes; bundle with basic tools for higher-margin kits.


Mobile Terminal Replacement Service

Start a local on-site service for terminal replacement and battery cable repair for marine, RV, and fleet vehicles. Emphasize use of annealed electrolytic copper, tinned finishes for corrosion resistance, and properly heat-shrunk seals. Charge for emergency calls, periodic maintenance plans, and preventive terminal inspection (use the inspection window to show customers a proper crimp).


DIY Repair Kits + Video Course

Package the ring terminals and heat-shrink as beginner-friendly DIY repair kits (marine kit, solar kit, motorcycle kit) and sell them with step-by-step video courses. Teach wire selection, crimp vs solder decisions, proper use of inspection windows, and heat-shrink application. Upsell kits with a branded crimper, soldering iron, and multilingual PDF guides to reach hobbyists and small technicians.


Upcycled Industrial Decor Store

Create and sell finished home decor items and accessories (lamp fixtures, hooks, jewelry, wall art) made from ring terminals and heat-shrink on Etsy or local markets. Position products as durable, industrial-chic and eco-friendly because they reuse electrical hardware. Offer personalization (patina finish, colored heat-shrink choices) and small-batch runs to command premium pricing.


Wholesale Supply for Makerspaces & Repair Shops

Buy kits in bulk and supply makerspaces, vocational schools, small boatyards and repair shops with assortments tailored to their use cases. Provide labeled kits (marine, solar, automotive) and training sheets that explain voltage/temperature ratings and crimping best practices. Long-term contracts for consumables (terminals + heat-shrink) create recurring revenue.

Creative

Steampunk Pendant & Bracelet Set

Use assorted ring terminals as the mechanical focal points for a steampunk jewelry line. Polish the tinned copper, solder small jump rings or leather cords through the inspection window, add heat-shrink accents (cut into strips or sleeves) for color and sealed texture. The heavy-duty copper gives an industrial look and the variety of sizes lets you make layered pendants, bracelets and matching earrings.


Industrial Wire-Wrapped Lamps

Build custom pendant or desk lamps where the ring terminals act as decorative cord anchors and visible terminals at joins. Crimp or solder the lamp wires into the terminals for a tidy, durable connection and cover joints with the 3:1 adhesive heat-shrink for a finished look and strain relief. The tinned copper resists corrosion so the fixtures are suitable for kitchens or covered outdoor spaces.


Modular Wall Art & Mobiles

Create geometric wall sculptures or hanging mobiles by linking ring terminals with lengths of copper or coated wire; terminals become nodes in a lattice. Use small heat-shrink pieces to add color blocks, hide solder joints and strengthen connections. The inspection-window terminals make assembly quick and the range of sizes gives depth and scale to the piece.


Leather Goods with Metal Accents

Make belts, watch straps, or bag closures using ring terminals as rivet-style accents and snap points. Set terminals into leather, run riveted rivet screws or small bolts through the ring, then use heat-shrink to protect edges and add contrasting color. The terminals’ corrosion resistance and robust construction make them both decorative and functional.


Battery-Powered Mini-Garden Lights

Design small, portable garden or pathway lights that use pre-crimped ring terminals for battery connections. Build housings from thrifted jars or brass fittings, terminate leads with the kit’s lugs and seal with adhesive heat-shrink to keep moisture out. The kit’s multi-sizes let you match terminals to different battery sizes and the 600V/125°C rating ensures safe outdoor use at low voltages.