Snap-Open Ratcheting Box-End Wrench Head Sets
Get a strong grip in tight areas, even on fasteners that are rounded or damaged. Open the spring-loaded jaws in these heads to access a fastener like an open-end wrench; the jaws will automatically close when you push against the fastener. The 6-point opening grips hex heads on all sides. Also known as crowfoot wrenches. Attach one to a socket extension to reach obstructed fasteners. With the ratcheting feature, you can turn the fastener without removing and repositioning the wrench head.
| No. of Pieces | Includes | Turn Required to Ratchet | Material | Wrench Opening Shape | Container Type | Each | |
3/8" Square Drive | |||||||
|---|---|---|---|---|---|---|---|
| 6 | Wrench Heads: 8 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm | 15° | Stainless Steel | 6-Point | Foam Tray | 000000000 | 0000000 |
Box-End Wrench Head Sets
Attach one of the heads in these sets to a torque wrench for more leverage to loosen a stubborn fastener. Also known as torque adapters. You can easily calculate your desired torque setting with the precise 2” center-to-center length. The wrench heads can also be connected to an extension to reach fasteners when vertical clearance is limited. The box end grips all sides of the fastener to prevent slipping. For use with hand-drive tools only.
Box-End Wrench Heads
Attach one of these heads to your square-drive ratchet or torque wrench to extend its reach or to access spaces with limited vertical clearance. Add an extension to get to an obstructed fastener.
When used with a ratchet wrench, it can also help you get more leverage to break a stuck bolt loose. When used with a torque wrench, you can easily calculate your desired torque setting with the precise 2" center-to-center length. Also known as torque adapters.
The box end grips all sides of the fastener to prevent slipping. For use with hand-drive tools only.
For technical drawings and 3-D models, click on a part number.
| Drive Size | Overall Lg. | Thick. | Center-to-Center Lg. | Material | Each | |
3/8" Square Drive | ||||||
|---|---|---|---|---|---|---|
| 3/8" | 2 11/16" | 17/64" | 2" | Chrome-Plated Steel | 00000000 | 000000 |
| 7/16" | 2 3/4" | 19/64" | 2" | Chrome-Plated Steel | 00000000 | 00000 |
| 1/2" | 2 13/16" | 21/64" | 2" | Chrome-Plated Steel | 00000000 | 00000 |
| 9/16" | 2 7/8" | 23/64" | 2" | Chrome-Plated Steel | 00000000 | 00000 |
| 5/8" | 2 7/8" | 25/64" | 2" | Chrome-Plated Steel | 00000000 | 00000 |
| 11/16" | 2 15/16" | 27/64" | 2" | Chrome-Plated Steel | 00000000 | 00000 |
| 3/4" | 3" | 29/64" | 2" | Chrome-Plated Steel | 00000000 | 00000 |
| 13/16" | 2 15/16" | 31/64" | 2" | Chrome-Plated Steel | 00000000 | 00000 |
| 7/8" | 3 1/16" | 33/64" | 2" | Chrome-Plated Steel | 00000000 | 00000 |