Designed to quickly and accurately remove grout with all Hackzall and Sawzall reciprocating saws. The coarse carbide grit effectively removes all epoxy and cement-based grout types, 1/8'' up to 3/4''. Curved cutting edge for maximum accuracy. Corrosion-resistant coating or longer life. No. 49-00-5450: Cutting Depth: 1/8'' to 3/4''