Features
- Chamfered edge on wrench head for easier engagement with fasteners
- 15° offset open end to increase arc swing in tight spaces
- Polished chrome finish
- Stamped hashmark pattern on handle for added grip
- Size stamped twice on both sides of handle for easier identification
- Stamped markings resist wear
- Manufacturer lifetime warranty (as stated)
Specifications
| Sku | DWMT75951 |
| Size | 1/4 in x 5/16 in |
| Overall Length [In] | 5-5/16 |
| Head Thickness 1 [In] | 9/32 |
| Head Thickness 2 [In] | 9/32 |
| Outside Head Width 1 [In] | 11/16 |
| Outside Head Width 2 [In] | 5/8 |
| Sku | DWMT75214 |
| Size | 1/2 in x 9/16 in |
| Overall Length [In] | 6-7/8 |
| Head Thickness 1 [In] | 13/32 |
| Head Thickness 2 [In] | 3/8 |
| Outside Head Width 1 [In] | 1 |
| Outside Head Width 2 [In] | 29/32 |
| Sku | DWMT75218 |
| Size | 3/8 in x 7/16 in |
| Overall Length [In] | 6-3/32 |
| Head Thickness 1 [In] | 11/32 |
| Head Thickness 2 [In] | 11/32 |
| Outside Head Width 1 [In] | 29/32 |
| Outside Head Width 2 [In] | 27/32 |
| Sku | DWMT75219 |
| Size | 5/8 in x 11/16 in |
| Overall Length [In] | 7-7/8 |
| Head Thickness 1 [In] | 15/32 |
| Head Thickness 2 [In] | 7/16 |
| Outside Head Width 1 [In] | 1-3/16 |
| Outside Head Width 2 [In] | 1-1/16 |
| Sku | DWMT75952 |
| Size | 3/4 in x 7/8 in |
| Overall Length [In] | 8-27/32 |
| Head Thickness 1 [In] | 17/32 |
| Head Thickness 2 [In] | 1/2 |
| Outside Head Width 1 [In] | 1-13/32 |
| Outside Head Width 2 [In] | 1-1/4 |
Related Tools
Flare nut wrenches with a chamfered open end and a 15° offset to improve engagement and increase arc swing in confined spaces. Handles have stamped hashmarks for additional grip and sizes are stamped on both sides for identification. The wrenches are finished in polished chrome.
Project Ideas
Business
Mobile Brake & Hard-Line Service
Offer on-site repair of seized brake and fuel line nuts on classics and daily drivers. The flare nut wrench’s 15° offset and chamfered jaws minimize rounding in cramped engine bays, boosting first-pass success and customer trust.
Mini-Split & Refrigeration Line-Set Specialist
Niche service for installing and re-flaring A/C and refrigeration lines, with leak checks and re-torque. The 1/4 in x 5/16 in wrench is ideal for service valves and small flare nuts; polished chrome and lifetime warranty suit daily pro use.
Copper-Pipe Decor Workshops & DIY Kits
Teach classes and sell kits for shelves, lamp stands, and plant hangers built with copper tube and brass fittings. Include a tool loaner or upsell the flare nut wrench; its wear-resistant size markings help beginners pick the right end quickly.
Vintage Lamp & Espresso Machine Restoration
Restore wiring and re-plumb steam/water lines on lamps and espresso machines with delicate brass unions. The wrench’s secure bite avoids jaw slip on small hexes, protecting finishes and reducing rework from damaged fittings.
Draft Beer/Kegerator Installations
Design, install, and maintain home and event draft systems using standard flare connections for gas and liquid lines. The compact wrench navigates under bar tops and inside keezers, enabling tight, leak-free connections without scarring hardware.
Creative
Copper Pour-Over Coffee Stand
Build a sleek pour-over stand from copper tube and compression/flare fittings for a barista-worthy setup. The 1/4 in x 5/16 in flare nut wrench’s chamfered open end grips soft brass nuts without rounding, and the 15° offset lets you snug fittings under the dripper base in tight corners.
Vintage Lantern & Camp Stove Restoration
Refurbish old liquid-fuel lanterns and stoves by replacing fuel lines, needle valves, and flare/compression unions. The small sizes and polished chrome finish help avoid marring aged brass, while the offset head reaches behind frames and tanks.
Steampunk Copper Desk Organizer/Shelf
Create a compact shelf/pen caddy using copper pipe, elbows, and brass nuts for an industrial aesthetic. The wrench’s hashmark grip and wear-resistant size stamps speed assembly, and its chamfered jaw keeps the hex flats crisp for a clean look.
Terrarium Micro-Mist System
Run a discreet copper misting loop with tiny nozzles and flare/compression tees for tropical plants. The 15° offset increases arc swing near glass walls, and the chamfered head prevents slipping on small, plated nuts.
Home Kegerator Gas Line Manifold
Assemble a CO₂ manifold using 1/4 in flare (MFL/FFL) fittings for leak-free quick swaps. The wrench’s snug engagement keeps soft brass flare nuts pristine, and its compact length fits behind regulator guards and inside fridge cabinets.