Milwaukee® Reciprocating Saw Blade, Double Duty Straight Back Thin Kerf, Series: Sawzall®, 4 in Length, 3/4 in Width, 0.035 in Thickness, 18, Matrix II Teeth, 1/2 in Tang, Universal/Toothed Edge Tang, HSS-Co 8 Cutting Edge, Bi-Metal Body, Bright, Applicable Materials: Most Metal