DEWALT DW3984C 24 TPI Portable Band Saw Blade, 3-Pack Matrix II High Speed Steel Edge for Heat and Wear Resistance 8% Cobalt Content For Added Durability & Wear. Alloy Steel Backer for Fatigue Resistance Rc 65-67 Tooth Hardness For Increased Wear Resistance Cordless bandsaw blades are ideal for thick metal, medium metal, and thin gauge metal cutting Size: 32-7/8" x 0.020" 24 TPI