[High Quality] Drilling Jig is made of high quality 6061 aluminum-magnesium alloy with laser etched scales, which is more durable and more accurate than traditional plastic Drilling Jig. It is more compact and convenient, easy to operate, and the maximum clamping area is 52mm. [Scope] Manual woodworking jig for 8/10/15mm dowel connections, guide tools of tools. It is equipped with an appropriately sized interchangeable drill guide to ensure that they align precisely during the drilling process for perfect positioning. Suitable for use with most power and hand tools. [Drill Depth Stop] Each drill jig drill is equipped with an adjustable drill depth stop to accommodate different thicknesses of wood and drilling depths. It is a great tool for furniture factories and woodworking enthusiasts. (8mm drill bit is suitable for 15-18mm panel thickness, 10mm drill bit is suitable for 19-30mm panel thickness.) [DIY Woodworking] Drilling Jig is small and portable. The overall size is 3.14*3.14*2.65 inches and weighs about 1 kg. Allows you to quickly and accurately make corner joints, edge or surface joints, T joints, L joints, etc. It is an ideal tool for woodworking to improve the efficiency of the work. [Quality Assurance] We strive to provide high quality products and services to our customers. If you have any product problems or dissatisfaction, please feel free to contact us and we will provide you with a solution that will satisfy you.