Product Overview Adjustable spanner is a chrome plated spanner, built with an easy movable jaw. Is used for fastening nuts and bolts, and tightening of pipes, wheels or storage. Additional Features Knurl adjusting mechanism for quick and precise adjustments. Laser- etched SAE and mm jaw scale for easy size adjustment. Lightweight handle design. Polished chrome head and chrome-plated body for anti-corrosion protection.