SUPERIOR VALUE: Why pay $5-$10 per blade? Our saw blades match & exceed name-brand quality at a fraction of the price. 50 Piece Contractor Jigsaw Blades Set. Meet your everyday needs..INCLUDING:5 pcs T118A(3",21TPI) for THIN METAL cutting, 5 pcs T118B(3",12TPI) for MEDIUM METAL cutting, 10 pcs T101AO(3",21TPI) SCROLL BLADE CLEAN for wood, 10pcs T101B(4",10TPI) CLEAN for wood, 10 pcs T101BR(4",10TPI) DOWNCUT CLEAN for wood, 10 pcs T144D(4",6TPI) SPEED for wood..TOUGHER THAN MOST: HCS-Made with SK5 high-carbon steel(50 times better than CRV) for maximum life in wood material for straight , clean and speed cuts. HSS-Made with genuine HIGHT SPEED STEEL. High Quality manufacturing to provide superior wear tolerance and life.Proper lubricant is recommended when cutting metal.FIT MOST MAJOR BRAND JIG SAW: Jig Saw blade T-Shank fits most major brands jig saws. T-shank design fits BOSCH and DEWALT jig saws..CONVENIENCE: Set includes a durable storage case to keep blades organized for easy access.