DeWalt® DW9052 Carbide Cordless Saw Blade, 30 Tooth, 5-3/8"Ultra thin kerf blade for fast cutting. Anti stick rim reduces friction and gum up. Smoother cut from exclusive plate technology. For cutting aluminum extrusions, brass, copper, & other non ferrous metals. Professional quality cordless ultra thin kerf saw blades specifically engineered to optimize cutting performance & maximize the number of cuts per charge of all DeWalt 5 3 8" & 6 1 2" cordless saws. For cutting aluminum extrusions, brass, copper, &