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Square drive as per DIN 3120 - C 12.5, ISO 1174, with ball retention groove
| Width | 40mm |
| Material | Chrome Vanadium Steel |
| Insert Diameter | 34mm |
| Height | 40mm |
| Standards Met | DIN 3120 |
| Product Type | Sockets Hexagon |
| Length | 42mm |
| Working Length | 42mm |
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