SwitchBlade replacement kit includes: 3 replacement blades, 1 feed screw, 2 set screws, and an integrated hex wrench. Replacement blades are made of long-life hardened steel with the blade's size is engraved on each.The compact, self-contained storage case holds up to 5 blades, plus all the tools needed to change your Switchblade. Fits in a pocket or tool belt.