DURATECH 1/2-Inch Drive Extra Long Ratchet 20 Inch
- Jaw Capacity: 0.5 inches
- Measurement Standard: SAE (Inch)
- Head Style: Fixed Square, Hex
- End Style: Hang Hole
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
Leverage is the selling point on this 20 inch, 1/2 inch capacity wrench, backed by a 4.8 rating and strong recent sales.
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ASIN: B0C7KHZC1YCategory: Wrenches
Overview
Chrome molybdenum steel, a 20 inch length and a 0.5 inch drive capacity define this DuraTech wrench, with the added length built in for extra leverage on fasteners that will not break loose easily.
Chrome molybdenum steel is valued in wrenches and drive tools for its strength to weight ratio, letting a tool flex slightly under load rather than snapping outright. A 20 inch length is long for a hand tool, which multiplies the torque a user can apply through leverage alone, useful on fasteners that have rusted or been over tightened.
- Material: chrome molybdenum steel
- Length: 20 inches
- Drive capacity: 0.5 inch
Who it's for
Fits users who work on 1/2 inch drive fasteners that need extra leverage to break loose, such as automotive or heavy equipment work. Not needed for light duty tasks where a shorter, more compact wrench would be easier to handle in tight spaces.
Pros and cons
- 20 inch length adds leverage on tight fasteners
- Chrome molybdenum steel for durability under load
- Strong recent sales at roughly 300 a month
- Long length may be unwieldy in tight spaces
- Drive capacity limited to 0.5 inch fasteners
Performance notes
The 20 inch length works as a lever arm, so the same hand force applied at the end of the handle produces more torque at the fastener than a shorter wrench could deliver. Chrome molybdenum construction is what lets the tool take that extra leverage without bending or cracking under load.
Specifications
| Brand | DuraTech |
|---|---|
| Dimensions & fit | |
| Item Length | 20 incheshigher than 94% of 371 wrenches |
| Wrench Length Style | Extra Long |
| Capacity & performance | |
| Jaw Capacity | 0.5 incheslower than 73% of 165 wrenches |
| Construction & materials | |
| Material Type | Alloy Steel |
| Color | Silver |
| Finish Types | Polished |
| Included components | |
| Package Quantity | 1 |
| Unit Count | 1 |
| Other details | |
| Measurement Standard | SAE (Inch) |
| Head Style | Fixed Square, Hex |
| End Style | Hang Hole |
| Operation Mode | Mechanical |
| Is Racheting | Yes |
| Is Non Sparking | Yes |
Closest rivals on specs
Astro Tool 78218 Extra-Long Flex Head Ratchet Wrench- Item Length 20 vs 18 inches (+11%)
NEIKO 00211A Breaker Bar 18 Inch- Item Length 20 vs 18 inches (+11%)
Extra Long Flex Head Ratcheting Wrench Set 6 Piece- Item Length 20 vs 18 inches (+11%)
- Jaw Capacity 0.5 vs 0.7 inches (-29%)
Frequently asked questions
How long is the DuraTech CR-MO wrench?
20 inches.
What drive size does the DuraTech wrench use?
A 0.5 inch, or 1/2 inch, capacity.
What is the DuraTech wrench made from?
Chrome molybdenum steel.