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 re Diablo DJT102BF5 - 3-5/8 in. 13 TPI Bi-Metal T-Shank Jig Saw Blades for Plexiglass - 5 Pack