Feature:1. [Premium Construction] The dowel jig is crafted from premium aluminum alloy with CNC machining, features robust hardened steel center block structure for exceptional strength and durability. The anodized surface ensures long lasting performance.2. [Accurate Scale] Equipped with accurate scale on the body for measuring plate thickness, the doweling hole drill guide allows for accurate drilling adjustment.3. [Versatile Wood Thickness] Suitable for wood with thickness ranging from 15 to 50mm, this 10mm dowel jig accommodates a wide range of woodworking projects.4. [Multi Purpose] Place drill sleeve on the side for drilling rebound device hole, place it on the top for drilling 3 in 1 hole, versatile and practical.5. [Enhanced Drilling Accuracy] Featuring elevated drill sleeve, the dowel jig improves drilling accuracy and stability, preventing deviation and ensuring smoothly and accurate hole drilling.Specification:Item Type: Dowel Jig Drill Bit KitMaterial: Aluminum AlloyApplicable Plate Thickness: Approx. 15-50mm / 0.59-1.97inDrilling Diameter: Approx. 10mm / 0.39inDrilling Depth: Within 150mm.Package List:1 x Dowel Jig1 x Auger Drill Bit1 x Countersink Drill Bit1 x Limit Ring1 x Open End Wrench2 x Hex Wrench1 x Storage Box