Function: With the T-ruler, follows the edge of your work piece to perfectly mark horizontal or vertical lines, micro-fine marking holes and slots place your mark exactly on target, makes ruler woodworking tool a perfect tool for you. Aluminum Alloy Material: Made of aluminum alloy, it is wear-resistant, rust-resistant and durable. It has torsion resistance, durability and corrosion resistance. Suitable for marking wood. Easy to use: The marking ruler is precise, versatile and easy to use. Find the hole corresponding to the scale, insert the pen into the hole and draw the line you want. Precise: The precise marking rulers can help you draw perfect horizontal lines while sliding the rulers along the along the working edge. Exquisite craftsmanship: With exquisite craftsmanship, lightweight and practical woodworking ruler can help mark woodworking. The color red Size: 20*10.8*1.5cm Quantity delivered: 1 piece