Pin Wrench Adjustable pin wrenches. With fixed pin for locking nuts according to DIN 1816. Chrome Vanadium. • Pin Size: 5 • Capacity: 32 to 75mm (1-1/4 to 3 inch) • Overall Length: 178mm (7 inch) Spare Parts Available: Pin for Hook Wrench 5mm (End of Hook): HP2015-P Adaptor Complete with Pin (5mm): HP2015-PA Screw Set Pivot Pin: SC-HPS