Klein Tools 31756 9-Inch, 10 TPI Bi-Metal Reciprocating Saw Blade for Demolition, 3-Pack 9-Inch long, 7/8-Inch wide, 0.062-Inch thick, 10 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 3 blades