Material: Aluminum alloy Maximum clamping range: 34mm/1.34inch Accessories: Stainless steel drill sleeve+brass stop block Adjustable metal liner Accurate alignment during drilling of 8/15mm metal liner, easy to adjust drilling height and depth for application Can be used for woodworking, quickly locate different thicknesses, easy to make joints Product Features 3-in-1 multifunctional design;Integrating a round wood tenon locator, furniture drilling guide, and universal woodworking drilling template to meet your diverse woodworking needs. High quality aluminum alloy material:Made of high-strength aluminum alloy material, lightweight, corrosion-resistant, ensuring accuracy and stability under long-term use. High precision adjustable positioning:Through a precise adjustment mechanism, the positioning size can be easily adjusted, suitable for different sizes of wood and furniture production needs, ensuring that every drilling is precise and error free. Convenient Operation:The design is simple and intuitive, easy to learn, and can be quickly mastered by both beginners and experienced carpenters to improve work efficiency. Widely applicable:Suitable for various fields such as furniture production, DIY woodworking projects, woodworking education, etc., it is an ideal choice for woodworking workshops, furniture factories, and individual woodworking enthusiasts. Package 1pcs Woodworking three-in-one positioner