Reciprocating Saw Blade Set, Primary Material Application General Purpose, Materials Ferrous Metals, Blade Length 6 in, 8 in, 9 in, Teeth per Inch 6, 10, 18, 24, Width 0.035 in, 0.042 in, 0.05 in, Blade Material Steel, Tip Material Bi-Metal Tipped, Back Style Straight, Number of Cutting Edges 1, Cutting Edge Style Rigid for Straight Cuts, For Use With Saw Type Reciprocating Saws