Feature:1. The jig and the locator are made of aluminium alloy, and the surface is anodized, which is durable and not easy to rust.2. The maximum clamping distance is 52MM, suitable for DIY, woodworking drilling positioning and punching, very practical.3. Equipped with 8mm, 10mm and 15mm three drill bits to satisfy the requirements of different drilling aperture sizes.4. The operation is very simple, the clamping force is strong and it is not easy to slide, making your work more efficient.5. The size is small, and the weight is light, so the storage and carrying are very simple, which makes your daily much easier.Specification:Item Type: Hole Drill Guide JigModel: GGW 3-in-1 A TypePunch Material: Aluminium AlloyClamping Range: Approx. 0 ~ 52mm / 0 ~ 2inDrilling Diameter: Approx. 8mm / 0.3in, 10mm / 0.4in, 15mm / 0.6in (the diameter of the three drill bits respectively)Round Dowel Diameter: Approx. 8mm / 0.3inFunction: Furniture wood punch hole opener/punch locator. .Package List:1 x Hole Drill Jig1 x Round Dowel Locator3 x Drill Bit1 x Guide Ring3 x Drill Stop3 x Fixing Screw3 x Round Dowel 1 x Hex Wrench1 x Drill Bushing Wrench