Bosch RSM12X2 5-Piece 12 In. 8+10 2 x 2 TPI Speed for Heavy Metal Reciprocating Saw Blade Designed for fast cuts in metal 1/8 In. to 1/2 In. thick Patented 8 + 10 TPI 2X2 Tooth Geometry for fast, clean cutting in thicker stock Taller .042 In. thick body for easier starts and accuracy Bi-Metal construction for durability and long life 5 piece pack