1.【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 a long service life.of life.Fits most electric hand drills2.【ADJUSTABLE POSITION】The drilling guide is adjustable to tension wooden boards of different thicknesses.It is a great tool kit for furniture factories and woodworking enthusiasts3.【PRECISE ALIGNMENT】: Metal bushings ensure precise alignment when drilling for perfectly positioned dowels. Allow for quick and precise corner, edge or surface joints.It is the ideal auxiliary tool for woodworking4.【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".Fits most power and hand tools5.【VARIOUS THICKNESSES】: With the fences you can easily adjust the edge distance.It can be used to self-center wooden frames of various thicknesses on boards up to 1-1/4" thick