General description This 90 Degree Perforated Ruler is a precision T-shaped woodworking tool made from premium aluminum alloy, ensuring a long service life. Its durable and sturdy design is wear-resistant and rust-proof, making it ideal for various woodworking tasks. Technical specifications Material: Aluminum Alloy Length: Approx. 200 mm Thickness: About 4 mm - about 15 mm Model: T-200 Usage To use, find the corresponding hole on the scale, insert a pen into the hole, and draw the desired line. The T-shaped ruler allows for precise marking, enabling you to draw perfect horizontal lines while sliding the ruler along the working edge. Other information Contents: 1 woodworking ruler