【engineering plastic】Height gauge is made from engineering plastic, high strength, wear resistance and durable in use. 【with magnet】Designed with magnet on the standing feet so it would firmly hold onto ferromagnetic surfaces. 【light】Compact size and lightweight, easy to carry.Takes with reset button for zeroing for relative measuring. 【digital display】The digital display is designed specifically for woodwork, which can be used to set the height of saw blades. 【gurantee】We strive to provide you with the highest quality product and the best customer experience, if you're not entirely satisfied, please just feel free to contact us at any time., Manufacturer: FTVOGUE