Long-Arm-Hex-Key-Set-of-13-Metric-1-3-10mm-Faithfull-FAIHKS13ML-p-This-Faithfull-Long-Arm-Hex-Key-Set-contains-a-selection-of-professional-quality-keys-made-from-fully-hardened-chrome-vanadium-steel-All-keys-from-4mm-have-chamfered-edges-to-prevent-damage-to-blade-and-fittings-Long-arm-design-allows-access-to-deep-set-screws-or-difficult-to-reach-places-p-p-Supplied-in-an-ergonomic-double-layer-open-out-storage-caddy-which-allows-easy-access-to-the-smaller-keys-Each-key-has-a-dedi