Aluminum Squeeze Handle Single 4-7/8" Suction Cups. The split handle design makes it easy use with a one hand operation. Suction is created by pulling the handles together. When handle is released suction is lost. Aluminum frame. 85 Pounds loading capacity (GS Rated loading capacity 33 Pounds with a safety factor of 2). For use on flat nonporous surfaces. This suction cup comes complete with a face cover. 1 Year Limited Warranty (Subject to Inspection). Important Note: Never exceed the recommended weight limit of this cup. Caution: Cups must be kept clean with face cover in place when not in use.