The irwin marples ms500 series all purpose chisels with protouchtrade handle'. '.strtoupper('t')hese chisels have a large metal striking cap to withstand hammer impacts, prolong the life of the handle and prevent mushrooming'. '.strtoupper('p')rotouchtrade handles are designed to provide an extra comfortable grip and also reduce vibrations and hand fatigue'. '.strtoupper('o')ne piece blade forging gives added strength and durability'. '.strtoupper('m')ade from special tool steel which ensures a much sharper cutting edge for quicker and easier operation'. '.strtoupper('a') special hardening process gives the blade a longer lasting edge less time spent re sharpening'. '.strtoupper('e')very chisel is honed and sharpened ready for use out of the packet to save you time and effort.this set of 4 marples ms500 series protouchtrade all purpose chisels contains the following sizes6, 13, 19 and 25mm 1 4, 1 2, 3 4 and 1inadditional informationbull chisel type all purposebull set qty'. '.strtoupper('4')