PROTO® Drive hex bit socket made of heat-treated alloy steel. Bit holders have a hex opening to hold the bit allowing the bit holder to take the full load of torque. Polished chrome finish.
PROTO® Drive hex bit socket made of heat-treated alloy steel. Bit holders have a hex opening to hold the bit allowing the bit holder to take the full load of torque. Polished chrome finish.
| Brand Name | Proto | Item Name | Socket Bit |
| Type | Extra-Long | System of Measurement | SAE |
| Socket Size | 5/16 x 5 in | Drive Size | 3/8 in |
| Drive Type | Square | Overall Length | 6-3/32 in |
| Number of Points | 6 | Material | Alloy Steel |
| Socket Type | Ball-End Hex | Finish | Full Polished Chrome |
| Standards | SAE AS4984A |
| EA - 1 EA PER EA |