Faithfull Long Arm Hexagon Key

- These Faithfull Long Armed Hexagon Keys are made from fully hardened chrome vanadium and are ideal for driving socket screws. - They are frequently used on machinery when securely fastening parts together and can also be used on domestic appliances and cycles. - Faithfull keys from 4mm (5/32in) upwards have chamfered edges to prevent damage to fittings and keys from 3mm (1/8in) upwards are marked with their size.. - UK size :17.0mm, FR Size :, ES Size : , DE Size: , IT size: , US & CA Size: . - code: UTTK11112