Keep all the tools to change your Switchblade in this handy, self-contained storage case. The SwitchBlade replacement kit includes: 3 replacement blades, 1 feed screw, 2 set screws, and an integrated hex wrench. The storage case holds up to 5 blades. Small enough to fit in a pocket or tool belt. Replacement blades are made with hardened steel to increase bit life. Size is engraved on each blade.