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. 1-3/8in. Switchblade 3 Blade Replacement Kit comes with: (3) 1-3/8in. Switchblade Selfeed Bit Blades, (1) Feed Screw, (2) Set Screws, Built in Hex Wrench with Storage Case.