HIGH QUALITY: Our positioner is made of impact-resistant ABS plastic,which has high hardness and strength,is not easy to deform and break,is very wear-resistant and has long life. Suitable for most hand-held electric drills ADJUSTABLE POSITION The drill guide is adjustable to tension wood planks of different thicknesses. This is a great tool kit for furniture factories and woodworking enthusiasts PRECISE ALIGNMENT: Metal bushings provide precise alignment when drilling for perfectly positioned anchors.Allow quick and precise corner joints,edges or surfaces. It is the ideal auxiliary tool for the job wood FIELD OF APPLICATION: Manual woodworking jig for 6mm,8mm,10mm dowel joints,tool guide tools. And suitable for 1/2 " to 1-1 / 4 " panel thickness. Fits most power and hand tools VARIOUS THICKNESSES: With the fences,you can easily adjust the distance from the edge. It can be used to self-center wooden frames of different thickness on boards up to 1-1 / 4 " thick Color: Blue Specification: Material: Plastic + metal Size: 7.87x2.76 inches Color: Blue Functionality: Made of impact resistant ABS plastic With high hardness and strength,very wear resistant Fits most hand drills Suitable for wooden dowels. Suitable for 6 drills of 8 and 10 mm. Automatic centering devices and adjustable fences allow precise alignment of locating pins for maximum joint strength. Allows fast and precise assembly of corners,edges or surface joints with tenons. Metal bushings ensure precise alignment when drilling holes for precise pin positioning Using the guide,you can easily adjust the distance to edge,T-shape and edge-to-corner connection. It can be used on panels up to 1/2 to 1-1 / 4 inches thick. For wood planks with a thickness not exceeding 1-1 / 4 " ",it can center itself automatically. The package includes: 1 x Dowel jig for woodworking 1 x Key 3 x Limit Rings 3 x Drill bits (6/8/10 mm) 3 x Central pins 30 x Positioning pins