About This 【Use】Just align the precision machining notch on the clamp center rod with the positioning pin position mark on the board, hold the clamp and drill the hole.The second alignment feature lets you drill a series of equally spaced holes along the edge of a board. Just attach the supplied pin in the center bar, insert the pin in a hole and drill more holes. 【Application】6mm, 8mm, 10mm Adjustable to clamp on different thickness of wood boards from 17mm(5/8")to 60mm(2.4"), quick operation, simple and convenient 【Package Included】1 x Self Centering Dowelling Jig,1 X 6mm dowel Pin,1 X 8mm dowel Pin,1 X 10mm dowel Pin,3 X 6mm Drill Sleeve,3 X 8mm Drill Sleeve,3 X 10mm Drill Sleeve. 【Material】Guide drill (high-quality aluminum), bushing (high-strength steel), quality assurance, long service life 【Nice Tool】Convenient and Practical--With the practical joinery punch locator, you can more conveniently work for woodworking. Whether you are a senior woodworking enthusiast or a beginner, you can quickly master
