Features Multifunctional Woodworking Ruler: Efficiently mark square and T-type woodworking projects, along with accurate 45-degree angle measurements, using a multifunctional marking tool. Magnetic Bottom for Stability: Features a magnetic bottom and central locator for secure connection to iron s, ensuring stability during measurements and marking. Clear and Easy Calibration: Offers clear and easy-to-read calibrations, eliminating the need to replace the main body during the measurement process, enhancing efficiency. Precision Cutting Positioning: Used to ly determine the center of cutting plates, pin joint, and assembly isochron plates, ensuring accurate and efficient woodworking projects. Aluminum Alloy: Constructed with environmentally friendly and aluminum alloy, ensuring long-lasting use and reliability for woodworking tasks. Features: 1、Multifunctional markers, square multifunctional woodworking, T-type writing, 45 degree angle, aluminum alloy thickening guide. 2、The bottom is magnetic, the central locator can be connected to the iron extension table, thick aluminum alloy, good stability. 3、The calibration is clear and easy to read, and no need to replace the main body in the measurement process. 4、Used to determine the exact position of the center of the cutting plate, pin joint and assembly isochron plate. 5、The center is made of aluminum alloy, environmentally friendly and in use. 6、Simple sliding rules are suitable for overlapping markers on the left and right sides of the rules. Specification: Condition: 100% Item Type: Woodworking ruler Material: Aluminum alloy Color: Red Measurement Accuracy: 0.1mm Package List: 1 x ES-4 Red Woodworking Ruler Package List 1 x ES-4 Red Woodworking Ruler