Tired of a dull chisel? These Pocket Chisels are made of precision tool steel and have a heavy-duty nylon handle that locks when opened and will stay locked so that you can hammer the hell out of it. The Pocket Chisel Kit includes four Pocket Chisels in 1/4", 1/2", 3/4" and 1" blades, one Pocket Diamond Sharpener, one Pocket Putty Knife and one Pocket Combo Putty Knife.