You are Buying a Brand New And Factory Sealed Milwaukee 2-9/16 in. Switchblade Selfeed Drill Bit Black (48-25-5150) .... 

drilling 2-9/16 in. holes in all types of wood for pipe, vents, gas lines and bulk wire routing
Includes one 2-9/16 in. self-feed bit, 2 replaceable blades, 2 feed screws, 2 set screws and 1 hex wrench
Hexagonal shank offers strong grasp in drill chuck
Blades are made with hardened steel for increased bit life Black (48-25-5150)....................