Features and Benefits:?1-3/4 inch square and 9-3/4 inch overall length?3/4 inch Hex with 21/32 inch Round Shank?Bushing Tool?Made from forged high grade steelMilwaukee? chisels are made from high grade, forged steel, providing up to 20% longer life. Designed for general chipping and breaking. This chisel is specifically designed for SDS-Max rotary hammers and should be used in hammer only mode.