The O'SKOOL Dowel Jig, a versatile woodworking tool, accommodates various drill bit sizes, including 1/4", 5/16", 3/8", 7/16", and 1/2". The a workholding capacity is from 3/8" to 6". The self-centering feature ensure drilling points lined up with the center of the workpiece when clamped. The stop attachment could set up a fixed stopping point for repetitive drilling without the need of marking every single stock. Its stopping range is from 3/8" to 6-13/16". This feature not only enhances work efficiency but also minimizes alignment errors that often result from eyeballing.