3 In 1 Woodworking Hole Punch Guide Dowel Jig Hole Puncher Positioning Hole Opener DIY Woodworking Tools. Features: Adapt to different thicknesses, high-quality materials, smooth arc lines and smooth and thorn-free. Made of aluminum alloy, CNC processing, clear texture, comfortable texture. Specification: Name: 3 in 1 Hole Puncher, Material: Aluminum, Color: Silver/Black, Application: All kinds of board splicing. Package included: Multi row puncher, Dowel Jig Main Body, Drill Bushing, Locating Rod, Extension Rod, Locking Handle, Hole Knife, Drill Bushing, Hexagon Socket Wrench, Limingting Rings, Three-point Drill bit, Round Wood Tenon, Mounting Screws Set.