Features
- Protective rubber bumper on head
- Quick-release trigger
- Forward and reverse torque capability
- Locking trigger
- Bi-material grip
- Hard (heavy-duty) carrying case included
- ASME/ISO/TAA compliant
- One-year limited warranty
Specifications
| Drive Size (In) | 3/8 | 
| Torque Range (Ft Lbs) | 20-100 | 
| Torque Range (Nm) | 27.11-135.58 | 
| Overall Length (In) | 17-5/16 | 
| Outside Head Width (In) | 1-9/16 | 
| Increments (Ft Lbs) | 1 | 
| Increments (Nm) | 1.35 | 
| Includes | Heavy duty case | 
| Warranty | 1 Year Limited Warranty | 
Related Tools
A micrometer-adjustable torque wrench with a 3/8-inch drive. It has a rubber bumper on the head, a quick-release trigger, and forward/reverse torque capability. The tool ships in a hard carrying case and includes a locking trigger and a bi-material grip for handling. It is offered with a one-year limited warranty and meets ASME/ISO/TAA compliance.
DeWalt Micrometer torque wrench Review
First impressions and setup
Pulling the DeWalt torque wrench out of its hard case, the first thing that struck me was how purpose-built it feels for everyday mechanical work. At 17-5/16 inches long with a 3/8-inch drive and a 20–100 ft-lb range, it lands squarely in that versatile middle ground: big enough for brake caliper brackets, spark plugs on many engines, mower blades, and passenger-car lug nuts near 80–100 ft-lb; not so large that it feels clumsy around an engine bay.
DeWalt gives the head a protective rubber bumper that’s more than decoration. It saves painted surfaces and powder-coated parts from accidental taps when you’re fishing for fasteners near bodywork or radiators. The bi-material grip is comfortable and grippy with bare hands or gloves, and the scale increments are easy to set in 1 ft-lb steps. The locking trigger (DeWalt’s lock mechanism) is positive—once I set a value and locked it, it didn’t creep, even after rattling around in the case on the way to a job.
The quick-release button in the head makes socket swaps clean and reliable. On a 3/8-inch drive torque wrench this matters, because you’re frequently hopping between 10, 12, 13, 14, 15, and 17 mm sockets for common automotive tasks. The included heavy-duty plastic case actually protects the tool rather than simply containing it; there’s a precise cutout that keeps the wrench from banging around, which is exactly what you want for a calibrated instrument.
In use: feel, balance, and the click
Set at typical values—30, 45, 60, 75, and up to 90–100 ft-lb—the click is distinct and tactile. It’s not the loudest click I’ve used, but the feedback through the handle is clear enough that you won’t second-guess it if you’re pulling with a smooth, controlled motion. Like all click-type wrenches, it rewards technique: keep your hand centered on the grip, pull steadily, and stop at the first click. At the top of its range (90–100 ft-lb), the signal remains consistent, though the click feels a touch more subdued than in the middle of the range; that’s common in compact 3/8-inch designs.
The ratchet is fine-toothed enough to be practical in tighter spaces, and the head size (about 1-9/16 inches wide) fits into typical engine-bay tight spots without drama. The balance point is just forward of the grip, so it doesn’t feel nose-heavy or fatiguing—even on a long series of fasteners where you’re dialing up, torquing, locking, and moving on.
An important note on capability: this is a 3/8-inch wrench topping out at 100 ft-lb. It’s ideal for many automotive and power-equipment tasks, but it’s not the tool for truck lug nuts that spec 120–150 ft-lb. If wheel work at those values is on your regular list, a 1/2-inch wrench with a higher range is the right call.
Forward and reverse torque
A standout on this model is the stated forward and reverse torque capability. Many click-type wrenches only measure clockwise torque; having a wrench calibrated for both directions means left-hand thread applications (certain axle nuts, mower blades, and specific industrial fasteners) are covered without improvisation. In practice, the reverse-direction click felt just as consistent as forward, which is exactly what I wanted to see.
Accuracy and consistency
I checked the wrench against a reference torque tester at a few points in the range (mid and upper). Readings tracked in line with what I expect from a micrometer-adjustable click wrench that meets ASME/ISO guidelines. Consistency across multiple pulls was good; I didn’t experience drift during a session, and the lock kept the setting put.
Two caveats:
- Like any click wrench, it needs care to stay accurate. Always store it at the lowest setting and don’t use it to break fasteners loose.
- If you’re routinely working near the top of its range (95–100 ft-lb), expect to schedule periodic calibration to keep confidence high.
Ergonomics and small touches
- The bi-material handle is genuinely comfortable during extended use, and it insulates a bit in cold shops.
- The quick-release button is large enough to hit with gloved thumbs.
- The scale is legible at a glance and the 1 ft-lb increments make fine setting painless.
- The protective head bumper is not just marketing; it saves finishes when you’re working near painted suspension components.
These small things add up on a tool you set and reset dozens of times in a day.
Durability and what gave me pause
I’m careful with torque wrenches: no cheater bars, no impacts, stored at the minimum setting, and kept in the case. Even with that discipline, I ran into a durability concern. After light, within-range use over a relatively short period, the drive tang on my sample developed play and ultimately failed at the head. It was a clean failure rather than the result of obvious abuse. That’s not what you want to see on a precision tool where confidence is the whole point.
I’ve also used another unit of the same model that did not exhibit this issue and has held up through routine seasonal work without a hiccup. That split experience is frustrating: when it works, it’s a pleasant, capable wrench for the money; when it doesn’t, it fails the most basic requirement—structural integrity at rated torque.
Add to this that the warranty is only one year. For a torque wrench, a short warranty places more emphasis on out-of-pocket calibration and potential repair or replacement beyond year one. I attempted to explore service options for the failed head and found limited practical paths once the warranty period had lapsed. That experience strongly informs my take: precision tools should be backed by robust support, because they live or die by trust.
Care, calibration, and best practices
If you decide this wrench fits your needs, a few habits will help it last and stay accurate:
- Keep it in its case, and don’t toss it loose into a drawer.
- Dial it back to the minimum setting before storage.
- Never use it to loosen fasteners or with impact tools.
- Pull smoothly, one hand centered on the grip, and stop at the first click.
- Plan on periodic calibration if you use it frequently or work near the top of its range.
These aren’t unique to this tool—they’re universal to torque wrenches—but they matter here.
Who it’s for (and who it’s not for)
This 3/8-inch torque wrench is a good fit for:
- General automotive maintenance in the 25–90 ft-lb zone
- Brake work, suspension links, spark plugs that call for higher values, mower blades
- Occasional torque checks on assemblies with left-hand threads
It’s not the right pick if:
- You routinely torque fasteners above 100 ft-lb (get a 1/2-inch wrench with a higher range)
- You need low-torque precision below 20 ft-lb (reach for a 1/4-inch wrench)
- You require a long warranty or guaranteed service path beyond a year
The bottom line
There’s a lot to like here: comfortable grip, a protective head bumper that actually does its job, clear settings in 1 ft-lb increments, reliable click feedback, forward and reverse torque capability, and a case that protects the instrument. When my sample worked as intended, it was a straightforward, confidence-inspiring tool for common shop tasks.
But a torque wrench lives on trust. The drive-head failure I experienced—despite proper use—combined with a short one-year warranty and limited post-warranty service options, erodes that trust. I’m willing to invest in periodic calibration; I’m less willing to accept structural failures and a support path that doesn’t meaningfully address them.
Recommendation: I do not recommend this as a primary torque wrench if you depend on it day in and day out or plan to work near the top of its range regularly. For occasional home use within its 20–100 ft-lb window, and with careful handling, it can get the job done, but the durability question and short warranty keep me from endorsing it over alternatives. If you buy it, do so with eyes open: treat it gently, verify its readings against a reference when you can, and be prepared with a service or replacement plan beyond year one.
Project Ideas
Business
Mobile Lug Nut Retorque & Seal Marking
Offer on-site wheel retorque after tire installs or rotations for dealerships, fleets, and enthusiasts. Set lugs to OEM specs (often 80–100 ft-lbs), then apply torque-seal marks for visual verification. Provide a simple PDF report noting torque values; ASME/ISO compliance strengthens customer trust.
Track-Day Pit Torque Service
Set up at local track days to torque wheels, brake caliper bolts, and axle nuts between sessions. Charge per visit or sell weekend passes. Reverse capability lets you verify breakaway torque for quick checks, and the hard case and rubber bumper make it rugged for pit-lane use.
Fleet Van/Truck Fastener QA Program
Create a subscription service to periodically verify torque on fleet vehicles—wheel lugs, hitch hardware, roof racks, ladder mounts—logging values and dates for compliance and safety audits. Offer color-coded torque-seal and a digital checklist tied to vehicle IDs.
Dockside Marine Prop & Trailer Torque
Serve marinas with prop nut torquing (commonly 50–100 ft-lbs) and trailer wheel retorque. Provide seasonal checkups and pre-trip inspections. The quick-release speeds switching between deep and standard sockets when moving between props and trailer wheels.
Torque-Certified Fabrication Assembly
Partner with small fabrication shops (furniture, racks, gym rigs) to assemble and install products torqued to spec (20–100 ft-lbs). Deliver a ‘torque certificate’ with each job for premium positioning. The locking trigger ensures uniform clamp load across multi-bolt patterns.
Creative
Engine-Block Coffee Table
Refurbish a junkyard inline-4 or V6 block into a glass-top coffee table. Use the torque wrench to clamp decorative standoffs onto the head studs/bolts at spec (often 60–80 ft-lbs) so the glass is evenly supported. The rubber bumper protects finishes, and the locking trigger prevents drift as you repeat settings across fasteners.
DIY Go-Kart/Mini Bike Build
Build a small kart or minibike and torque critical connections—axle nuts (60–80 ft-lbs), sprocket carrier bolts (25–35 ft-lbs), engine mount bolts (20–30 ft-lbs). The 3/8-inch drive fits common sockets, and 1 ft-lb increments make it easy to match manufacturer specs for safe, repeatable results.
Industrial Bolt-and-Beam Dining Table
Create an industrial table using steel angle, flanges, and hardwood. Use Grade 8 bolts torqued to 40–70 ft-lbs to clamp wood to the steel frame for a rigid, squeak-free build. Quick-release speeds socket swaps between sizes, while reverse capability helps verify breakaway torque during quality checks.
Vehicle Roof Rack With 80/20 Aluminum
Fabricate a custom roof/cargo rack from T-slot extrusion with steel foot plates. Torque M8/M10 hardware in the 20–40 ft-lb range to secure feet, crossbars, and accessory mounts. The bi-material grip improves control while working on ladders, and the case makes hauling the tool to the driveway easy.
Precision Clamping Jig for Wood/Metal
Build a bench-top clamping fixture that uses bolted clamps torqued to 25–35 ft-lbs, giving repeatable clamping pressure for glue-ups or welding. Use the locking trigger to keep the setting as you cycle through multiple clamps, and reverse torque to periodically check for loosening after heat cycles.