Reciprocating Saw Blade for 18-Gauge Metal, 24 TPI, 5-Pack Klein Tools 31734 6-Inches long, 3/4-Inch wide, 0.035-Inch thick, 24 teeth per inch Bi-metal construction for long cutting life Heat and wear resistant Shock resistant teeth resist strippage 1/2-Inch (12.7 mm) universal shank to fit all popular reciprocating saw tools