| Socket wrench & set type | Socket HandleSTANLEY PROTO INDUSTRIAL 1"DR IM 2-1/16 | -Stanley PROTO J4712DPL 1/4" Drive Deep Spline Socket #12 - 3/8" | StandardProto Torqueplus Sockets 1 in, 1 in Drive, 1 5/8 in, 12 Points, Each (577-5752) | NoneSTANLEY-PROTO IND TOOLS EXTENSION 3/8DR 12 |
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| Size | 1"STANLEY PROTO INDUSTRIAL 1"DR IM 2-1/16 | MStanley PROTO J4712DPL 1/4" Drive Deep Spline Socket #12 - 3/8" | 1"Proto Torqueplus Sockets 1 in, 1 in Drive, 1 5/8 in, 12 Points, Each (577-5752) | -STANLEY-PROTO IND TOOLS EXTENSION 3/8DR 12 |
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| Material | Forged Alloy SteelSTANLEY PROTO INDUSTRIAL 1"DR IM 2-1/16 | PlasticStanley PROTO J4712DPL 1/4" Drive Deep Spline Socket #12 - 3/8" | Forged Alloy SteelProto Torqueplus Sockets 1 in, 1 in Drive, 1 5/8 in, 12 Points, Each (577-5752) | MetalSTANLEY-PROTO IND TOOLS EXTENSION 3/8DR 12 |
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| Pieces | 1STANLEY PROTO INDUSTRIAL 1"DR IM 2-1/16 | 1Stanley PROTO J4712DPL 1/4" Drive Deep Spline Socket #12 - 3/8" | 1Proto Torqueplus Sockets 1 in, 1 in Drive, 1 5/8 in, 12 Points, Each (577-5752) | 1STANLEY-PROTO IND TOOLS EXTENSION 3/8DR 12 |
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