K4 pocket hole system, for creating pocket holes in a wide variety of materials, widths & thicknesses, 3 hole removable drill guide for making perfectly placed pocket holes, hardened steel core for durability & heavy duty glass reinforced nylon body for strength & flexibility, removable drill guide is great for making home repairs, wood chip relief holes keep the drill bit clear of excess wood chips, includes: jig, stepped drill bit, 6″ square driver, screws set, plug set, quick start guide & 5 project plans.