Product Features: [Self-Centering Adjustable Doweling Jig]: This jig is constructed of heavy-duty steel for durability and long-lasting use and is designed to be used with a hand drill or power drill. [6 Drill Guide Bushings]: The jig is designed to be used with 6mm, 8mm, 10mm, and 12mm drill guide bushings for precise doweling or jointing. [Quick-Change Mechanism]: Features a quick-change mechanism that allows for fast and easy change of drill bushings without the need for tools or additional parts. [Adjustable Width]: The adjustable width feature enables the jig to drill straight holes in materials of various sizes. [VERSATILE APPLICATION]: Includes a depth collar for precise depth control. This self-centering doweling jig can be used on a variety of materials, including wood, metal, and plastic. It can clamp workpieces with thickness ranging from 0.4 inch (10mm) to 2.2 inches (55mm). Material: Metal Color: Orange Package Contents: 1 x Self-centering jig 6 x Hardened steel bushings 1 x Wrench 1 x English manual Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement may vary by +/- 1-3 cm.