[Fast, Easy, Accurate]: The self-centering dowel jig arms are a consistently reliable parallelogram that always finds the neutral position. Simply align the precision notch on the center bar of the device with the dowel position mark on your board, hold the device in place and drill Spring Clamp: This portable device features a longer stop to make tightening easier. It also features a ruler on the side of the device and a drilling template to allow for faster fence adjustment. The stop allows for front-to-back depth adjustment; The stop is slotted to align the dowel pins [Reduce Woodworking Errors] The metal bushings of the metal bushing drill guides ensure precise alignment when drilling for perfectly positioned dowels, a drill guide; Table Clamp - Minimal construction with no exposed or hidden mechanics Drill Stand: Convenient joinery allows you to work more comfortably during woodworking; Drill Bit Sharpener; It is a great tool for furniture and wood factory enthusiasts. [Make