Klein Tools 31758 12-Inch, 6 TPI Reciprocating Saw Blade for Wood with Nails, 5-Pack 12-Inch long, 3/4-Inch wide, 0.050-Inch thick, 6 teeth per inch Bi-metal blades Shock-resistant teeth that resist strip page 1/2-Inch universal shank fits all popular reciprocating saw tools Pack of 5 blades