Spyder Grout Out Blades provides both speed and precision to make your job easy – whether you’re replacing just one tile or all of them. Fits all reciprocating saws. Made from carbon steel. 1/16” blade is designed for joints 1/16” to 3/16” widths. 3/16” blade is designed for joints 3/16” and wider. Carbide grit edge provides maximum performance and control. Do not use with saws operating with orbital action.