Hexagon Key 0.035in A/F
- Faithfull FAIHK12, 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 & fittings. All keys 3mm (1/8in) & above are marked with their size. Size.1/2in AF. Faithfull FAIHK12 Hexagon Key 1/2in A/F