characteristic The board cutting tool is made of aluminum and plastic, which is safe, firm and durable. 3-in-1 gypsum board cutting machine tool can meet your different measurement needs, marking and cutting, which is convenient for woodworking and home maintenance. Gypsum board cutting tools are very suitable for gypsum boards, foam boards, KT boards, cardboard insulation materials, hanging pictures, cutting fabrics, plywood and other places, and have a wide range of uses. Just press the button and insert the blade to complete the installation; When in use, the tape measure is pulled to the required position, and the baffle is pushed by hand to accurately draw a circle or a straight line, which is fast and convenient; Can be easily applied to novices and skilled workers. The telescopic design of the blade is easy to carry, saving time and energy. Please don't touch the blade or hurt your hands. describe Name: gypsum board cutting tool set Material: aluminum+plastic Quantity: 1 set color: as shown Side caliper lock design, sliding down to lock and fix, accurate positioning, convenient and fast. Package Contents: 1 x Gypsum board cutting tool set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.