【HIGH QUALITY】: Our positioner is made of impact-resistant ABS plastic, which has high hardness and strength, is not easily deformed or broken, is very wear-resistant, and has a long service life. Suitable for mosthand-held electric drills 【ADJUSTABLE POSITION】 The drill guide is adjustable to tension wood boards of varying thicknesses. It's an excellent tool kit for furniture makers and woodworking enthusiasts 【PRECISE ALIGNMENT】: The metal rings ensure precise alignment during drilling for perfectly positioned dowels. They allow for quick and accurate corner joints, edges, or surfaces. This is the ideal auxiliary tool for woodworking. 【SCOPE OF APPLICATION】: Manual woodworking jig for 6mm, 8mm, and 10mm dowel joints, tool guide. Suitable for panel thicknesses from 1/2" to 1-1/4". Compatible with most power and hand tools. 【DIFFERENT THICKNESSES】: With these fences, you can easily adjust the edge distance. It can be used to self-center wooden frames of varying thicknesses on boards up to 1-1/4 inches thick. Color: Gray Specification:Material: Plastic + metalSize: 7.87 x 2.76 inches Color: GrayFunctionality:Made of impact-resistant ABS plasticWith high hardness and strength, very wear-resistantSuitable for most hand drillsSuitable for wooden dowels.Suitable for 6 drill bits of 8 and 10 mm.Automatic centering devices and adjustable fences allow for precise alignment of positioning pins for maximum joint strength. Allows for quick and precise assembly of corners, edges or surface joints with tenons.The metal rings ensure precise alignment when drilling holes to accurately position the pinsUsing the guide, you can easily adjust the distance to the edge, the T-shape, and the edge-to-corner connection.It can be used on panels with a maximum thickness of 1/2 to 1-1/4 inches.For wooden boards with a thickness not exceeding 1-1/4 inches, it can center itself automatically. The fast-acting devices can automatically center themselves on the table to quickly and accurately position the stitching.