Features and Benefits:•Blade length 4-1/4" 16" overall lenth•Designed for SDS Max rotary hammers•Digs clay•dirt (DO NOT use for concrete)•hard packed gravel•High Grade forged steel for durability•Up to 20% longer life•Use in Hammer Only modeMilwaukee® chisels are made from high grade, forged steel, providing up to 20% longer life. Clay spades are designed to dig into clay, hard packed gravel, and dirt. Do not use this tool on concrete or asphalt. This chisel is specifically designed for SDS max rotary hammers and should be used in hammer only mode.