Nut turns freely without pivoting while the contact pad remains stationary, to avoid moving or marring the workpiece. Made in USA.

| Item | Material | Heat Treat | Finish | DFARS | RoHS |
| Body | 1215 Steel | - | carburized-hardened Black Oxide | Yes | Yes |
| Pad | 1215 Steel | - | Black Oxide Finish | Yes | Yes |

| A Thread (Inch) | B (Inch) | C (Inch) | D (Inch) | E Diameter (Inch) |
| 5/16-18" | 3/8" | 17/32" | 1/4" | 7/16" |