Sturdy Material: 2 in 1 dowel set made of 6061 aluminum alloy with excellent surface oxidation treatment, with high hardness, wear-resistant, anti-rust, solid, durable and excellent to use. Adjustable Design: The cross oblique flat head center punch has two sides of locator for drilling with horizontal adjustment range: 13-81mm and longitudinal adjustment range: 12-27mm, clear scale on each side, easy and convenient to locate. Practical Drill Sleeves: This drill locator comes with 4 drill sleeves, which are 6/8/10/12mm drill bit adapters, they can meet your different drilling needs and change the adapter quickly. The pocket jig kit helps you quickly drill the tilt hole and helps you work efficiently. Easy to Use: This burr-free pocket jig is small and portable, practical for woodworking tool positioner, with a pocket jig, it is convenient and easy for you to quickly drill vertical holes to hide screws in wooden furniture, create accurate holes for woodworking, one hand can grasp, easy