Durable bi-metal super-tough band saw blade outlasts conventional blades up to 3 times, requiring fewer blade changes. An extremely hard and uniform tooth point is electron beam welded to a tough durable backing with high flex life for faster cutting and longer blade life. For use in Milwaukee portable band saws using 44 7/8in. x 1/2in. x .020in. blades. U.S.A.Blade Type Bi-Metal TPI (Teeth per Inch) 10 Cutting Thickness (in.) 5/16 to 1/2 Blade Size L x W (in.) 44 7/8 x 1/2 Blade Thickness (in.) .02 Blades (qty.) 1 Recommended for cutting aluminum, angle iron, bronze, brass, copper, galvanized pipe, mild steel and tougher steels including stainless, chrome, tungsten steel plus other problem material at slow speed