Pin Wrench Adjustable pin wrenches. With fixed pin for locking nuts according to DIN 1816. Chrome Vanadium. • Pin Size: 5 • Capacity: 19 to 50mm (3/4 to 2 inch) • Overall Length: 145mm (5-3/4 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