Features
- 144‑tooth dual‑pawl mechanism (2.5° arc swing)
- 1/2 in. drive
- Quick‑release lever for one‑handed socket removal
- Chrome‑vanadium steel construction
- Full‑polish chrome finish for corrosion resistance
- Ergonomic handle for extended use
- Designed to meet or exceed ANSI/ASME standards
- Full lifetime warranty
Specifications
| Drive Size | 1/2 in. |
| Tooth Count | 144 (dual pawl) |
| Arc Swing | 2.5° |
| Drive Type | Quick release |
| Construction Material | Chrome vanadium steel |
| Finish | Full‑polish chrome |
| Operation | One‑handed operation (quick‑release) |
| Standards | Meets or exceeds ANSI/ASME |
| Warranty | Full lifetime warranty |
| Manufacturer | Dewalt |
| Mpn | DWMT45021 |
| Upc | 76174450217 |
| Unit Of Measure | EA |
| Prop 65 | No |
Related Tools
Related Articles
A 1/2-inch drive ratchet with a 144-tooth, dual‑pawl mechanism that provides a 2.5° arc swing for use in confined spaces. It includes a quick‑release lever for one‑handed socket removal and an ergonomic handle for extended use. The ratchet is constructed from chrome‑vanadium steel with a polished chrome finish for corrosion resistance. The manufacturer describes extended durability compared with select earlier models and offers a full lifetime warranty.
Project Ideas
Business
Tight-Space Mobile Mechanic
Offer on-site services focused on hard‑to‑reach fasteners—alternators, starters, under‑dash assemblies, and engine bay dress‑up installs. The 2.5° arc swing and quick‑release translate into faster turnaround times and less disassembly, a clear selling point for busy clients and fleets.
Assembly & Anchoring Service
Specialize in building flat‑pack furniture, gym equipment, racks, and TV/garage storage with proper stud anchoring. Market your ability to work cleanly in cramped spots and around wall obstructions, using the high‑tooth ratchet to avoid damage and speed installs.
Van/Rack Upfitting Micro-Business
Install ladder racks, cargo management rails, and modular shelving in vans and trucks. The ratchet’s fine swing is ideal for tight roof clearances and interior corners, and the durability/lifetime warranty lowers tool overhead for frequent mobile jobs.
Equipment Flips & Reconditioning
Source neglected shop gear, jacks, or metal furniture; disassemble, clean, replace fasteners, and resell. The quick‑release ratchet accelerates teardown and reassembly in limited access areas, increasing throughput and profit per flip.
How-To Content & Affiliate Kits
Produce short videos on fastener best practices in tight spaces, socket selection, and time‑saving teardown techniques. Monetize with affiliate links to the ratchet, socket sets, and adapters; sell curated ‘tight‑space’ kits for DIYers and pros.
Creative
Kinetic Bolt Sculpture
Design a kinetic art piece built from threaded rod, gears, and plates where movement and poses are locked in with recessed nuts. The ratchet’s 2.5° arc swing lets you tighten hidden fasteners inside tubes and frames, and the quick‑release makes swapping between deep and shallow sockets seamless during frequent adjustments.
Flat-Pack Steel Stool
Fabricate a minimalist, bolt‑together stool or side table using angle iron and 1/2 in. hardware. The tight tolerances in corner brackets benefit from the 144‑tooth ratchet for micro‑movements in cramped joints, and the chrome finish of your fasteners pairs nicely with the polished aesthetic.
Secret-Compartment Bolt Puzzle Box
Create a wooden or metal puzzle box that hides compartments behind a sequence of hex bolts with limited clearance. The fine arc swing makes precise, incremental turns in tight recesses possible, and the quick‑release speeds the clue‑by‑clue socket changes for iterative prototyping.
Adjustable Wall-Mounted Gear Rack
Build a wall rack with sliding arms (for bikes, boards, or tools) that lock via clamping plates and bolts. The ratchet lets you set high clamping force in close quarters near walls or studs, and chrome‑vanadium durability handles repeated adjustments as you tune the arm spacing.
Fold-Flat Campfire Grill
Make a portable grill with hinged panels and bolted legs that pack flat. Use the ratchet to seat heat‑resistant hardware and tighten locknuts in confined hinge areas; the fine tooth count keeps your knuckles clear while you work inside the frame.