QEP 8" Pump Suction Cup with Safety Gauge is expertly manufactured to lift, move and position non-porous materials including large format tile, slabs, and glass. It features a safety gauge, with measurement range from 0-760mmHg that indicates when the pressure is not sufficient, and an 8 in. diameter, heavy-duty vacuum pump with 285 lb. maximum lifting capacity. This is a hand-held vacuum pump suction cup that makes heavy lifting easy, and can be used to lift and move household items. It is easy to carry and includes a dust cover plate for protection, plus a durable carry case for easy transportation and storage. For best results, wipe the tile surface clean before applying, and ensure the suction cup underside is clean and dust-free.