Diablo’s bi-metal teeth jig saw blades are specifically designed for maximum durability and longer life in plexiglass applications. These high-performance blades feature an ultra-hardened cutting edge to deliver up to 5X longer life than standard blades. The optimized blade design and Perma-SHIELD® non-stick coating reduces heat for melt-free cuts in plexiglass. T-shank design fits all combo and most U-shank cordless and corded jig saws.