Get professional-grade performance and longer blade life with the Milwaukee® 4 in. 6 TPI bi-metal u-shank jig saw blade (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 scroll cuts in wood and metal. This blade has a universal tang and fits Milwaukee jig saw model 6256-6 and other popular brands.