Get professional-grade performance and longer blade life with the Milwaukee� 3" 18 TPI Bi-Metal Jig Saw Blade - T-Shank (5-Pack). These heavy-duty blades last longer than high-speed steel or carbon blades, combining the strength to cut metal with the durability to withstand impacts without breaking. With Milwaukee�s attention to blade material, tooth shape and sharpness, the jig saw blades produce clean, fast cuts in metal over 1/8" thick. The T-shank allows for quick installation. Use with Milwaukee jig saw models 6266-6, 6276-6, 6267-20, 6267-21 and other popular brands.