General description This DEWALT SDS Max Chisel Set is made of the highest quality materials. The chisels are produced from toughened steel and feature microprocessor-controlled heat treatment for enhanced durability and long life. Technical specifications Material: Toughened steel Heat treatment: Microprocessor controlled Chisel sizes: 1 x Flat Chisel 25 x 400mm, 1 x Point Chisel 400mm Compatibility and accessories Suitable for use with all SDS Max drills with roto-stop