Jig Saw Blade Set, Blade Shank Type T Shank, Primary Material Application Wood, Teeth per Inch 11.5/10/12, 8, Blade Length 4 in, 4 1/2 in, Cutting Edge Style Flexible for Curved Cuts, Rigid for Straight Cuts, Blade Thickness 0.06 in, Materials Plastic, Wood, Tip Material Metal, Blade Material Chrome Vanadium Steel, For Use With Saw Type Jig Saws, Number of Pieces 8, Number of Cutting Edges 1, 2