The irwin marples s500 bevel edge chisels have a metal striking cap which allows use with a hammer which prolongs the life of the handle and prevents mushrooming the pro touch handles are designed to prevent slippage and to give improved comfort even during prolonged use the handle design also reduces vibrations and reduces hand fatigue the one piece blade forging gives these chisels added strength and durability and the very sharp cutting edge ensures quicker and easier operation this sharpness