M.K. Morse® reciprocating saw blade, tapered body, series: Master Cobalt®, 9 in Length, 3/4 in Width, 0.05 in Thickness, 6 TPI, Reinforced/Positive Rake Teeth, Bi-Metal Cutting Edge, Bi-Metal Body, Applicable Materials: Nail Embedded Wood, Wood and Wood Composites. M.K. Morse® 402033 Master Cobalt® Tapered Body Reciprocating Saw Blade, 9 in L x 3/4 in W, 6 TPI, Bi-Metal Body