Lenox 800RG, 8"x3/4x.042 Master-Grit Reciprocating Blades, 2pk Specifications: • Length : 8" • Width : 3/4" • Thickness: .040" • Grit : Medium Applications : Cast iron, Fiberglass, Ceramic wall tile, Clay, Pipe,Stone, Brick, Plaster, Marble. Features: • Smooth cutting- MASTER-GRIT does not snag or chip, providing smooth cuts. • Long lasting - Super hard (RA 90-93) cutting edge cuts through even the toughest materials. • Abrasive cutting - Cuts through cast iron, fiberglass, ceramic tile, clay, pipe, stone, brick,plaster and marble.