Faithfull Professional quality hexagon keys made from fully hardened chrome vanadium steel. All keys from 4mm (5/32in) have chamfered edges to prevent damage to blade and fittings. All keys 3mm (1/8in) and above are marked with their size.Size. 9/64in. A/FAdditional Information:• Key Type: Standard• Size (in): 23621
£0.65
