This faithfull long arm hex key set contains a selection of professional quality keys made from fully hardened chrome vanadium steel'. '.strtoupper('a')ll keys from 4mm have chamfered edges to prevent damage to blade and fittings'. '.strtoupper('l')ong arm design allows access to deep set screws or difficult to reach places'. '.strtoupper('b')all end keys allow angle entry to 25ordm'. '.strtoupper('w')orks in hard to reach areas'. '.strtoupper('f')aster insertion and removal'. '.strtoupper('s')upplied in an ergonomic double layer, open out storage caddy which allows easy access to the smaller keys'. '.strtoupper('e')ach key has a dedicated and clearly marked space for easy identification and is safely stored and ready for use'. '.strtoupper('m')etric sizes 1.3, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 8, 10mmadditional informationbull type metricbull min'. '.strtoupper('s')ize mm 1.3bull max'. '.strtoupper('s')ize mm 10bull key type l shapedbull end type ballbull no'. '.strtoupper('k')eys 13