Function: With the T-ruler, follows the edge of your work piece to perfectly mark horizontal or vertical lines, the micro-fine marking holes and slots place your mark exactly on the target, makes the working ruler the wood 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 corresponding hole on 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 edge of workmanship. Exquisite craftsmanship: With exquisite craftsmanship, lightweight and practical woodworking ruler can help mark woodworking. Shipping Quantity: 1 game