【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 highly wear-resistant, and has a long service life. Suitable for most hand-held electric drills. 【ADJUSTABLE POSITION】 The drill guide is adjustable to tension wooden boards of different thicknesses. It is an excellent tool kit for furniture factories and woodworking enthusiasts. 【ACCURATE ALIGNMENT】: The metal bushings ensure precise alignment when drilling for perfectly positioned dowels. Allow for fast and accurate corner joints, edges, or surfaces. It is the ideal auxiliary tool for woodworking 【SCOPE OF APPLICATION】: Manual woodworking jig for 6mm, 8mm, 10mm dowel joints, tool guide tools. And suitable for panel thickness from 1/2" to 1-1/4". Suitable for 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 thicknesses