Ivy Classic 40172 Swift Cut 12-Inch X 1/8-Inch X 1-Inch Arbor, Metal, Piece IVY Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools. IVY Classic Swift Cut Metal Cut-Off Blades are constructed out of resin bonded aluminum-oxide grain which enables faster cutting of steel, angle iron, sheet metal and other ferrous metal products. The blades feature double reinforced fiberglass mesh for durability and safety and metal reinforced arbors for extra strength. IVY Classic products: 40172, 40174, 40178 and 40180 are designed for use with high-speed power saws. Designed to cut steel, angle iron, sheet metal and other ferrous metal products, Swift Cut (Registered Trademark) Resin bonded Aluminum-Oxide grain for faster cutting, Type 1 blade - for cutting only Blade double reinforced with fiberglass mesh for durability and safety Arbor reinforced with metal for extra strength Diameter: 12-inch, Width: 1/8-inch, Arbor: 1-inch, Max RPM: 6,300