M.K. MORSE  HD MEDIUM METAL Reciprocating Saw Blade (Box of 100) 9" x 3/4" x .035" 14 TPI (teeth per inch) Applications: Heavy gauge metals 1/8" thick and above, Bar stock and angles 8% Cobalt blade edge provides better wear resistance Morse# RB914B100 (Box of 100 Blades) Made in USA New in Factory Packaging Buy it Now is for 100 Box of Blades