The MILWAUKEE® SDS-PLUS SLEDGE™ 3/8" Mortar Knife stays sharper longer. The reinforced edges deliver maximum durability and reduced wear over the life of the chisel, engineered to maintain shape for increase productivity.The optimized 3/8” profile for is ideal for removing mortar between horizontal & vertical bricks, with a precisioned-forged tip fo rpreserving decorative stone and brickwork. No re-sharpening or re-hardening is necessary for reduced downtime. High grade forged steel for maximum durability and longer life in concrete demolition over standard Milwaukee chisels. For use with SDS PLUS rotary hammers.