Precision Hole Drill Guide -- 6mm/8mm/10mm Metal wear-resistant bushs included to ensure accurate alignment when drilling for perfectly positioned dowels every time. Versatile Hand-held Hole Punch -- The woodworking hand-held doweling jig is used to punch holes in wooden boards and edges of wooden boards. With 3 sizes 30pc wooden dowel pin,3pc wood drill bits, and 3 points center pins for multiple punching methods. Simple Operation -- The Carpentry Wood Doweling Jig with standard scale, and the position of the baffle can be adjusted for different thick, the adjusting range is 0-50m. Simple and fast operation, effectively and effortnessly. Premium Quanlity -- Adopt industrial grade ABS with high strength, durable with long service time. Portable single hand held size, lightweight design, easy to carry. The whole kit,including 30wooden dowel pin,3pc wood drill bits,and 3 points center pins+1 Doweling Jig