10pk 2-9/16" switchblade. Designed for heavy-duty professional use, the Switchblade Replacement kit includes 10 replacement blades, 2 feed screws, 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. Pieces In Set: 15 pcs total, Length: 2-9/16"