Product materials include aluminum alloy and TPR plastics. Strong enough and wear-resistant, which can be used for a long time. It is a multi-functional woodworking tool, necessary and useful. Measure and cut the board, draw circles and straight lines for marking and precise positioning. This tool can facilitate your work, save time and work well. Built-in storage blade box, more convenient to carry the blade. Otherwise, the package provides another 4 blades. The tape measure is 5 meters long. One press to lock, accurate scale, easy cutting, environmental protection and dust-free. Suitable for a variety of materials: plasterboard, foam board, KT board, cardboard. Convenient to carry, save time and effort, do not touch the blade or hurt your hands .