Precise positioning of metal bushings (sleeves) ensure accurate alignment when drilling for perfectly positioned dowels. There is a ruler on the side of the drilling jig to align the dowel pins. 【Self-Centering Center on Board】 The self-centering pin jig and adjustable fence allows for precise dowel alignment for maximum joint strength. Standard calibration for accurate fixation and centering when drilling and woodworking. 【Accurate Dowel Joints】 Drill jig for angled hole fasteners on boards to make fast and accurate dowel joints, make corner joints, edge joints, and T-butt joints, good assistant for woodworking drill guide. 【Adjustable and Easy to Use】The position of the drill guide can be adjusted according to the needs of the movement, which is user-friendly and is Suitable for straight wood dowel drilling. It also comes with a handle for firm holding. Products include: 1 straight hole locator, 1 8mm 8mm 8mm 8mm woodworking drill, 1 10mm 8mm 8mm limit ring, 1 small wrench, 10 10mm 8mm 10mm dowel pins each Quantity: 1 Set Note: It does not include other things, the color is based on the first picture, and the other pictures only show the effect. Due to the differences between different monitors, the picture may not reflect the actual color of the item. . due to manual measurement. Please allow the deviation. Thank you!