Premium Material: 2 in 1 drill jig set made of 6061 aluminum alloy with excellent surface oxidation treatment, with high hardness, wear-resistant, anti-rust, strong, durable and excellent for use. Top quality product. All of our products are extensively tested to comply with strict and stringent standards. Adjustable Design: The cross flat head locator has two sides of locator for drilling with horizontal adjustment range: 13-81 mm and longitudinal adjustment range: 12-27 mm, clear scale on each side, easy and convenient to locate. Convenient Drill Sleeves: This drill locator comes with 4 x 6/ 8/10/12mm, they can meet your different drilling needs and change the adapter quickly. Easy to use: With a pocket hole jig, it is convenient and easy for you to quickly drill vertical holes to hide screws in wooden furniture, create precise woodworking holes, easy to use, small and portable, convenient for woodworking. Wide application: ladder high precision, easy to adjust drill height and hole depth, perfect for home woodworking projects, professional or general commercial use, such as carpenters, construction builders, etc.