Self-centering Woodworking Doweling Jig Drill Guide Wood Dowel Puncher Locator describe : 6/8/10mm Self Centering Woodworking Positioning Fixture Drill Guide Wood Positioner Positioner Tool Kit for Home Woodworking High-quality aluminum (drilling guide) and die steel (bushing), high hardness and strength, good wear resistance, durable use. The anodized surface and steel HRC50 material ensure good working performance and help improve efficiency. The improved version comes with 6mm 8mm 10mm bushings and 1mm and 2mm scored holes for making holes of different sizes. Adjustable clip on boards of different thicknesses from 17mm to 60mm. Positioning Ruler: Determines the distance of the first hole from the end face of the holder. It is a great tool for furniture factories and woodworking enthusiasts. Specification: Item: Straight Hole Pin Fixture Kit Material: Aluminum alloy 6061 color: red Surface Treatment: Anodized Dowel size: 6/8/10mm Drill sleeve size: 6/8/10mm Applicable: 17-60mm wood board Weight: 900g