[Specifications]This finishing hole drill guide kit is designed with a precision scale on main body, the scale can be adjusted according to the thickness of the wood board, making your woodworking more precise and convenient. (Material) The bit set and ring are made of carbon steel, and the positioner is made of rust-proof and durable aluminum alloy. (Multipurpose) Multipurpose drill guide for drilling dowel holes and vertical holes. Complete sets of combinations meet your different drilling needs in a of situations. The ultra-precision tilting fixture is processed by high-precision CNC to accurate and forming. (Simple and Convenient) Portable Pocket Hole Jig Kit provides woodworking . With this kit, your angled hole drilling jobs will be more efficient and easier. (Application) The maximum plate thickness accepted by the fixture is 5-60mm. Colour:black Material:Aluminum Carbon Steel Package Contents: 1 x Punching positioner 1 x 15mm casing drill 1 x 10mm knurled drill 1 x 8mm knurled drill 1 x 6mm knurled drill 1 x Drill socket wrench 2 x Hex wrench 3 x garden tenon 2 x drill sleeves Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.