Jig Saw Blade Set, Blade Shank Type T Shank, Primary Material Application General Purpose, Teeth per Inch 10, 11/14, 17/4, 20, 6, Blade Length (1) 3 1/4 in, (2) 3 5/8 in, (2) 4 in, Cutting Edge Style Flexible for Curved Cuts, Rigid for Straight Cuts,...