Sturdy material: 2 in 1 drilling jig made of 6061 aluminum alloy with excellent surface oxidation treatment, with high hardness, wear-resistant, rust-proof, solid, durable and excellent for use. use.Adjustable Design: The flat head puncture locator 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 practical to locate.Convenient Drill Sleeves: This drill locator comes with 4pcs 6/8/10/12mm drill sleeves. They can meet your different drilling needs and change the adapter quickly. Pocket jig kit helps you drill the tilt hole quickly and helps you work efficiently.Easy to Use: This burr-free pocket jig is small and portable, convenient for woodworking, with a pocket jig, convenient and easy for you to quickly drill vertical holes to hide screws in wooden furniture wood, create precise woodworking holes, easy to use.Wide Application: High precision scale, easy to adjust drill height and hole depth, perfect for home woodworking projects, professional or general commercial use, such as carpenters, builders construction, etc.