Tools are about convenience. One tool can complete the entire process, so we upgraded it to three detachable parts, which can be flexibly changed into shapes, and added multiple alignment references. Quick release extended version 3-in-1 punch location Efficient, convenient, and precise positioning Portable two kinds of assembly, quick blessing, easy and accurate drilling Added multiple alignment lines. It can be easily aligned, which not only reduces workload but also improves efficiency. Model:Quick clamping body Processing thickness:10-30m Side hole diameter:15m Front hole diameter:5/8/10mm Slider stroke:5-30 Side hole travel:19-45mm Scope of use:3-in-1/4-in-1/round wood tenon opening positioning Tips:The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Colour:Silver Material:steel Package Contents: 1 * dowelling jig for drilling set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.