Package ContentsPositioning jig kit, including 1 x 3 in 1 drill guide, 2 x 8mm drill bits, 1 x 10mm drill bit, 1 x 15mm drill bit, 1 x 10mm drill guide, 3 x wooden dowels and 2 x wrenches for easy and precise drilling. The drill guides of the 3 connecting rods are 8mm and the drill guides of the eccentric wheel are 15mm. Multi-purposeThis is a set of delicate woodworking drilling tools, suitable for drilling and installing wooden boards. It can be used to accurately measure the position of drilling, vertical drilling and eccentric drilling. The height and depth of the holes are adjustable. The whole combination can meet your different drilling needs. Precise adjustmentThe height and depth of the pocket hole drilling jig can be precisely adjusted according to the thickness of the plate and the length of the connector. The positioning clip is suitable for panels with a thickness of 0-52mm. The main body is equipped with a precision scale (accuracy 1mm) and the scale is clear. High-quality alloy materialThis pocket hole jig kit is made of industrial grade aluminum alloy, the surface is anodized, durable, not easy to rust, well-built, strong and will not break. The hole punch is only the size of a mobile phone, easy to carry and takes up little space. DIY EnthusiastsThis high-quality woodworking drilling jig can help you drill holes in the correct position, greatly reducing drilling errors, perfect for woodworking enthusiasts or professionals. You can make wooden furniture and DIY wooden toys and tools at home.