Feature:1. With this dowel jig kit, you can drill vertical holes on the plank with high accuracy and great convenience.2. Including 6mm, 8mm, 10mm 3pcs drill guides, and the maximum support plate thickness is about 46mm.3. Very simple to use, the centre line ensures accurate alignment of various surfaces with high drill efficiency.4. The application of aluminium alloy material and surface anodizing process makes it durable for long use.5. Designed to have a light weight and a compact size, both the storage and carrying are very convenient.Specification:Item Type: Vertical Self Centering Dowel Jig KitMaterial: Aluminium AlloyPunch Size: Approx. 6mm / 0.2in, 8mm / 0.3in, 10mm / 0.4in.Package List:1 x Vertical Self Centering Dowel Jig3 x Drill Guide