Pin Wrench Adjustable pin wrenches. With fixed pin for locking nuts according to DIN 1816. Chrome Vanadium. Pin Size: 6 Capacity: 50 to 120mm (2 to 4-3/4 inch) Overall Length: 247mm (9-3/4 inch) Spare Parts Available: Pin for Hook Wrench 6mm (End of Hook): HP2036-P Adaptor Complete with Pin (6mm): HP2036-PA Screw Set Pivot Pin: SC-HPL