Coarse tungsten carbide grit edge on bi-metal blade for greater abrasion resistance. For cutting hardwood flooring, cast iron, stainless steel, fiberglass materials, ceramic tile, stone, slate, clay pipe, carbon, brick, plaster, marble, and chaulkboard. No. 48-00-1420: Length: 6 In., Type: Carbide, Application: Ceramic,Plaster,Masonry,Brick,Fiberglass, Pkg Qty: 3, Package Type: Sleeve No. 48-00-1431: Length: 9 In., Type: Carbide, Application: Ceramic,Plaster,Masonry,Brick,Fiberglass, Pkg Qty: 1, Package Type: Clamshell No. 48-00-1430: Length: 9 In., Type: Carbide, Application: Ceramic,Plaster,Masonry,Brick,Fiberglass, Pkg Qty: 3, Package Type: Sleeve