5pc t-shank bi-metal jig saw blade set milwaukee® t-shank bi-metal jig saw blades are designed and manufactured for the professional user. bi-metal blades last longer than high speed steel or carbon blades. detail to the material used, tooth shape and sharpness make these blades cut clean, fast, and have a longer life. this blade uses a t-shank design and fits milwaukee jig saws other popular brands. includes 5 individual blades.