Pin Wrench Adjustable pin wrenches. With fixed pin for locking nuts according to DIN 1816. Chrome Vanadium. Pin Size: 6 Capacity: 32 to 75mm (1-1/4 to 3 inch) Overall Length: 178mm (7 inch) Spare Parts Available: Pin for Hook Wrench 6mm (End of Hook): HP2026-P Adaptor Complete with Pin (6mm): HP2026-PA Screw Set Pivot Pin: SC-HPS