Jig Saw Blade, Blade Shank Type U Shank, Primary Material Application General Purpose, Teeth per Inch 10, 14, 20, 24, 6, Blade Length 3 1/2 in, 3 5/8 in, 4 in, Cutting Edge Style Rigid for Straight Cuts, Blade Width (2) 3/8 in, (2) 5/16 in, (1) 7/32 in, Metal Cutting Type Thin Metal, Blade Thickness (3) 0.058 in, (2) 0.037 in, Materials Wood, Tip Material HSS, Blade Material Bimetal, For Use With Saw Type Jig Saws, Number of Pieces 8, Number of Cutting Edges 1, Package Quantity 10