Diablo's diamond grit jig saw blades deliver extreme durability and superior cutting life in abrasive materials such as glass and hard tile. High-performance diamond grit provides longer life versus standard jig saw blades. The optimized blade design and Perma-SHIELD non-stick coating reduces heat and pitch build up for fast and clean cuts. T-shank design fits all combo and most U-shank cordless and corded jig saws.