Features
- Offset box end for improved access to hard-to-reach fasteners
- Two metric sizes per wrench (one size on each end)
- DirectTorque geometry to help reduce rounding of fasteners
- Stamped size markings on both sides to resist wear and maintain visibility
- Stamped hashmark pattern on handle for additional grip
- Full polish chrome finish
- Full lifetime warranty
Specifications
| Sku | DWMT75742 |
| Size Metric | 6 x 7 mm |
| Overall Length In | 6-11/16 |
| Head Thickness 1 In | 7/32 |
| Head Thickness 2 In | 3/16 |
| Outside Head Width 1 In | 1/2 |
| Outside Head Width 2 In | 7/16 |
| Sku | DWMT75743 |
| Size Metric | 8 x 9 mm |
| Overall Length In | 7-5/32 |
| Head Thickness 1 In | 9/32 |
| Head Thickness 2 In | 1/4 |
| Outside Head Width 1 In | 19/32 |
| Outside Head Width 2 In | 17/32 |
| Sku | DWMT75744 |
| Size Metric | 10 x 11 mm |
| Overall Length In | 7-27/32 |
| Head Thickness 1 In | 5/16 |
| Head Thickness 2 In | 9/32 |
| Outside Head Width 1 In | 11/16 |
| Outside Head Width 2 In | 5/8 |
| Sku | DWMT75745 |
| Size Metric | 12 x 13 mm |
| Overall Length In | 8-3/8 |
| Head Thickness 1 In | 11/32 |
| Head Thickness 2 In | 11/32 |
| Outside Head Width 1 In | 25/32 |
| Outside Head Width 2 In | 3/4 |
| Sku | DWMT75746 |
| Size Metric | 14 x 15 mm |
| Overall Length In | 8-31/32 |
| Head Thickness 1 In | 3/8 |
| Head Thickness 2 In | 3/8 |
| Outside Head Width 1 In | 7/8 |
| Outside Head Width 2 In | 13/16 |
| Sku | DWMT75747 |
| Size Metric | 16 x 17 mm |
| Overall Length In | 9-11/16 |
| Head Thickness 1 In | 7/16 |
| Head Thickness 2 In | 13/32 |
| Outside Head Width 1 In | 1 |
| Outside Head Width 2 In | 15/16 |
| Sku | DWMT75748 |
| Size Metric | 20 x 22 mm |
| Overall Length In | 11-11/32 |
| Head Thickness 1 In | 17/32 |
| Head Thickness 2 In | 1/2 |
| Outside Head Width 1 In | 1-9/32 |
| Outside Head Width 2 In | 1-5/32 |
| Sku | DWMT75749 |
| Size Metric | 21 x 23 mm |
| Overall Length In | 12-7/32 |
| Head Thickness 1 In | 17/32 |
| Head Thickness 2 In | 15/32 |
| Outside Head Width 1 In | 1-5/16 |
| Outside Head Width 2 In | 1-7/32 |
| Sku | DWMT75801 |
| Size Metric | 22 x 24 mm |
| Overall Length In | 12-7/32 |
| Head Thickness 1 In | 17/32 |
| Head Thickness 2 In | 15/32 |
| Outside Head Width 1 In | 1-5/16 |
| Outside Head Width 2 In | 1-7/32 |
Related Tools
Double-ended offset box wrenches with two metric sizes per wrench. The offset head provides increased access to recessed or hard-to-reach fasteners. The wrench geometry is designed to reduce rounding of fasteners. Size markings are stamped on both sides for durability and visibility. The wrenches have a full polish chrome finish.
Project Ideas
Business
Mobile Bike & Scooter Fastener Service
Offer on-site torque checks and hardware swaps for bicycles and small scooters. The offset wrenches reach axle nuts inside dropouts and recessed brake hardware without wheel removal, speeding visits. Package tiers: safety check (8–15 mm), commuter refresh (new stainless hardware), and cargo/bikepacking setup. Upsell rust-resistant metric kits and monthly subscriptions for commuters.
Gym Equipment Assembly & Tune
Specialize in assembling home gym racks, benches, and cable machines that use metric hardware hidden inside bracketry. The offset heads access recessed nuts on uprights and pulley housings, reducing disassembly time for adjustments. Offer flat-rate installs, safety retorque visits, and relocation services. Market to apartment gyms and boutique studios with tight spaces.
Engine Bay Fastener Refresh
Provide a service for European and Japanese vehicles to replace corroded engine-bay nuts/bolts with quality metric hardware. The offset box ends sneak past reservoirs and shrouds to battery hold-downs, strut tower nuts, and accessory brackets, minimizing part removal. Sell staged packages (cosmetic refresh, hardware+anti-seize, stainless dress-up), document torque specs, and share before/after photos for marketing.
Rent-a-Wrench Weekend Kit
Create a low-cost, deposit-backed rental kit featuring the offset metric set, a torque chart, and common metric hardware assortments. Target apartment dwellers and student makers. Add QR-coded micro-lessons on offset techniques and avoiding rounded fasteners. Monetize through rentals, consumable refill packs, and optional tool purchase credits.
Content + Affiliate Brand: Offset Tricks
Launch short-form videos showing clever ways to access recessed fasteners with offset double box wrenches—starter replacements, HVAC brackets, bike fenders, furniture gussets. Include side-by-side time trials vs. standard wrenches, and close-ups highlighting reduced rounding. Monetize through affiliate links, sponsored how-tos with tool/hardware brands, and downloadable fastener-size cheat sheets.
Creative
Upcycled Industrial Pipe Lamp
Build a metal pipe desk lamp that uses recessed nuts inside tees and couplers as the structural anchors. The offset box ends slip past pipe lips to reach the hidden nuts, while the DirectTorque geometry protects plated hardware from rounding. Use 10 x 11 mm and 12 x 13 mm for arm joints, 14 x 15 mm for the base clamp, and 6 x 7 mm for decorative collars. The polished chrome finish won’t mar soft finishes, and the stamped size markings help you swap ends quickly while balancing the lamp during assembly.
Bicycle Overhaul and Tune-Up Bench
Set up a weekend project to refresh an older bike with axle nuts, fender stays, V-brakes, and rack hardware. The 14 x 15 mm wrench excels on wheel nuts in tight dropouts, 8 x 9 mm for brake pad studs, 10 x 11 mm for derailleur clamp nuts, and 12 x 13 mm for rack stays. The offset heads clear frame tubes and chainrings, and the hashmark grip keeps control with oily hands. Document before/after torque checks and smooth cable routing.
Flat-Pack Steel-and-Wood Workbench
Design a compact workbench that ships flat and bolts together with metric flange nuts tucked inside angle-iron gussets. The offset design reaches recessed fasteners where straight wrenches can’t, especially on inside corners. Use 16 x 17 mm on leg braces, 20 x 22 mm on top frame bolts, and 10 x 11 mm on accessory mounts. The dual-size ends reduce tool clutter during assembly and the polished finish wipes clean of cutting oil.
Hidden-Mechanism Puzzle Lock Box
Create a wooden puzzle box where access panels are held by metric nuts buried behind narrow slots. Solvers must insert the offset box end into a guide channel to turn 6, 8, and 10 mm nuts in a specific sequence. The offset heads make the trick possible while keeping the hardware invisible, and the reduced-rounding geometry preserves repeat playability without chewing up the nuts.
Compact Camping Kitchen Rack
Build a bolt-together aluminum tube rack for camp cooking that collapses flat. Recess nylock nuts in countersunk pockets so cookware doesn’t snag; use the 12 x 13 mm and 14 x 15 mm wrenches to tighten from awkward angles. The offset ends clear pot supports and brackets, and the lifetime-warranty tools stand up to outdoor grit and quick cleanups.