Features WEAR RESISTANT MATERIAL: Adjustable drill milling rod tool is made of excellent aluminum alloy, the surface is anodized, more hard and wear resistant, possess good insulation performance and long service life INCISIVE BLADES: Indexable round carbide blades are incisive and provide a smoother cutting experience. The design of the carbide blade make this positioning pin plate more efficient for making round sticks HOLE SPECIFICATIONS: The dowel maker jig kit come with 9 holes of different diameters(8, 9, 10, 12, 14, 15, 16, 18, 20 mm) to meet different work needs. The attached blade can also be used interchangeably for quick and easy use BUNDLING ACCESSORIES: The drilling tool kit come with a blade wrench, fixing clips, fixing screws and round nail heads for added convenience and functionality VERSATILE APPLICATION: This adjustable electric drill milling rod tool is suitable for mortise and tenon structure enthusiasts, carpenters, and decoration workers, If someone around you is keen on DIY, this will be the best gift Specification: Item Type: Dowel Maker Jig Kit Material: Aluminum alloy Round Hole Size: Diameter: Approx. 8mm / 0.31in 9mm / 0.35in 10mm / 0.39in 12mm / 0.47in 14mm / 0.55in 15mm / 0.59in 16mm / 0.63in 18mm / 0.71in 20mm / 0.79in Blade Material: Carbide Blade Size: Approx. 15 x 15 x 30mm / 0.59 x 0.59 x 1.18in 30°R150 Package List:1 x Adjustable Electric Drill Round Tool (pre installed blade) 1 x Blade Wrench 2 x Fixing Clamp 4 x Fixing Screw 1 x Round Nail Head Package List 1 x Adjustable Electric Drill Round Tool (pre installed blade) 1 x Blade Wrench (Yellow) 2 x Fixing Clamp 4 x Fixing Screw 1 x Round Nail Head