Starrett 3X POWER Bi-Metal reciprocating blade technology provides up to three times the life and increased cutting rates compared to our previous line, setting a new level for performance and value on the market. The metal cutting range comes in a straight blade format, designed for harder cuts when the tip may need to be forced. Ideal for using in cordless saw machines, it will power through metal sheet and sections.Select Option B414-5, Straight 100mm 14 TPI Pack of 5B418-5, Straight 100mm 18 TPI Pack of 5B424-5, Straight 100mm 24 TPI Pack of 5B614-5, Straight 152mm 14 TPI Pack of 5B618-5, Straight 152mm 18 TPIB624-5, Straight 152mm 24 TPI Pack of 5B818-5, Straight 203mm 18 TPI Pack of 5SB424-5, Scroll 100mm 24 TPI Add to Basket Quantity