The QEP 4-1/2 in. Suction Cup is designed to help maneuver non-porous, smooth tiles, such as marble, granite and glass, during installation. This suction cup can hold tiles up to 12 lbs. The grasp-and-release handle speeds up tile maneuvering. For maneuvering non-porous, smooth tile into place during the setting process. Holds up to 12 pounds and is compatible with multiple tile types, including marble, granite and glass. Contoured, plastic handle fits comfortably in the hand. Open handle, press suction cup to tile surface, and close handle to grasp tile. Easily clean thin-set, mastic or mortar off with warm soap and water.