Proto® Hex Key, Measurement System: Imperial, 5/16 in Tip, Short Arm, 3-3/4 in Arm Length, L-Handle Handle, Steel Blade, Specifications Met: ASME B18.3, Steel, Black Oxide
| Arm Length | : | 3-3/4 in |
| Arm Type | : | Short |
| Blade Material | : | Steel |
| Tip Size | : | 5/16 in |
| Measurement System | : | Imperial |
| Handle Type | : | L-Handle |
| Specifications Met | : | ASME B18.3 |
| Material | : | Steel |
| Finish | : | Black Oxide |