Features Professional woodworking tool for precise assembly of boxes, drawers, cabinets, and frames. Ensures convenient and accurate 90° right-angle splicing, enhancing woodworking precision. Crafted from durable aluminum alloy with anodized treatment for excellent wear and corrosion resistance. Compatible with clamping tools, facilitating accurate wood board positioning for gluing or welding at right angles. Practical 160 x 160mm size with multiple fixing holes for versatile usage. Accurate Woodworking Right Angle Tool Precision woodworking made easy! The yunyi 90° Woodworking Square Right Angle Positioning Ruler simplifies box, drawer, and frame assembly with its accurate 90° right angle and aluminum alloy build. This durable fixture, with 160 x 160mm size and versatile hole placements, guarantees convenient and precise splicing. Package List 1 x Right Angle Ruler 2 x Plastic Nuts 2 x Adjustable Fixed Blocks 2 x Right Angle Screws