Made from heat-treated 40Cr alloy steel for enhanced strength and durability. Includes both a 1 inch flat chisel and a point chisel for versatile applications. 24-inch length provides greater reach for challenging demolition tasks. SDS Max Shank. Perfect for breaking through concrete, masonry, and other tough materials. 24-Inch SDS Max Chisel Set - 1 Inch Flat Chisel and Point Chisel - Heat Treated 40Cr Alloy Steel.