The gypsum board cutter is made of aluminum alloy and TPR plastic, compact in structure, strong, wear resistant and durable to use. With 5 meters tape measure inside, helps high precision cutting and drawing circles and lines quickly and easily, improving work efficiency. One press to lock, a precise scale. Retractable blade, do not touch the blade, will not hurt you. Suitable for cutting a variety of materials: plasterboard, foam board, KT board, cardboard. Easy cutting, environmental protection and dust-free. Built-in storage slide box, more convenient to carry the slide. Save time and effort. Provide 1 pencil and 5 extra blades for replacement. Innovative 3-in-1 cutting tool Allows you to measure, draw circles and draw lines straight, and cut drywall for precise marking and positioning. Easy cutting, dust-free and no pollution. Measure function Draw circles and straight lines Cut drywall Easy cut Dust-free No pollution Built-in Features The heavy-duty built-in tape measure is 5 meters long and comes with a safety lock feature. One push to lock, accurate scale. Retractable blade, easy to use, won't touch the blade, won't hurt your hands. Built-in 5 meter tape measure Precise scale Lock function One press to lock Retractable Blade