【Easy to Use】The marking ruler is precise, versatile and easy to use. Find the hole that corresponds to the scale, insert the pen into the hole and draw the line you want. 【Function】Follows the edge of your workpiece to mark perfectly placed horizontal or vertical lines and holes for micro-fine markings and slots, places your mark exactly on target, making the woodworking ruler a perfect tool for you. 【Aluminum Alloy Material】It is wear-resistant, rust-proof and durable. < p>【Precise】Precise marking rulers can help you draw perfect horizontal lines while moving rulers along the work edge. 【Compact Size】The size of the ruler is 68cm x 40cm x 7cm. It is easy to carry and use.