The Faithfull Chrome Adjustable Spanner has a knurled adjustment screw which enables the jaws to fit various sizes of bolt and nut head. This chrome vanadium steel wrench is forged, hardened and tempered with a matt chrome-plated finish. Particularly useful when only a limited number of tools can be carried or kept in a tool kit. An ideal general maintenance tool.This Faithfull Chrome Adjustable Spanner has the following specification: Length: 600mm (24in)Capacity: 62mmAdditional Information:Length (mm): 600Capacity (mm): 62Length (in): 24