Proto® Socket Extension, Locking, Yes Impact Rated, Measurement System: Imperial, Square Drive, 1/2 in Drive, 3 in Overall Length, Patented Locking, Alloy Steel, Black Oxide
| Finish | : | Black Oxide |
| Locking Type | : | Patented |
| Material | : | Alloy Steel |
| Type | : | Locking |
| Impact Rated | : | Yes |
| Measurement System | : | Imperial |
| Drive Size | : | 1/2 in |
| Drive Type | : | Square |
| Overall Length | : | 3 in |