3/8 Socket Drive Hex Bit 10mm For Ultra-Torque Cranks 2017 FREE shipping within Australia over AU$100.00 In stock. Available via Buy Online Only Share Loading Facebook Like button... 3/8 Socket Drive Hex Bit 10mm For Ultra-Torque Cranks 2017 FREE shipping within Australia over AU$100.00 In stock. Available via Buy Online Only Share Loading Facebook Like button...