Lenox Tools 20816B318S T-Shank Bi-Metal Medium Metal Jig Saw Blade, 3-5/8-Inch x 3/8-Inch x 18 TPI, 25-Pack LENOX jig saw blades provide precision cutting and are super-sharp for quick cuts Jig saw blades provide straight cuts and a smooth finish Jig saw blades are designed for optimal performance in metal cutting, including medium metal Shatter-resistant blades flex and resist breaking for an extended life Comes in a pack of 25 jig saw blades