Description: - Dowel Drill Bit: This is a set of self centering drill for holding and centering while drilling and woodworking. - Design: The height of the can be adjusted according to the thickness of the board, making the drilling more accurate, a powerful woodworking tool. - Parameters: Drill bushings: 2/3/4/5/6/7/8/9/10mm, minimum diameter 60mm/2.36inch, maximum diameter 70mm/2.76inch. - Wide Application: The dowel drill is suitable for fixing of various thicknesses, two claws are convenient for quick positioning of the hole center, dust removal groove - Material: Made of aluminum alloy, high hardness, wear resistant, rust proof, durable, easy to use.Specification: - Material: Aluminum AlloyPackage Includes:1 Piece Vertical Self Centering Dowel Jig9 Pieces Drill Bushings(9 Sizes)Note:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful online shopping!