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                          Square drive as per DIN 3120 - C 12.5, ISO 1174, with ball retention groove
                        
| Length | 42mm | 
| Width | 36mm | 
| Insert Diameter | 36mm | 
| Product Type | Sockets Double Hexagon | 
| Working Length | 42mm | 
| Material | Chrome Vanadium Steel | 
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