2-1/8" Switchblade Replacement Kit Keep all the tools to change your switchblade in this handy, self-contained storage case. The switchblade replacement kit includes three replacement blades, one feed screw, two set screws, and an integrated hex wrench. Features: 2-1/8" Long Pack of 10 Since its founding in 1924, Milwaukee has focused on a single vision: To produce the best heavy-duty electric power tools and accessories available to the professional user. Today, the Milwaukee name stands for the highest quality, durable and reliable professional tools money can buy.