Two 5" (127 mm) rubber gripping pads make this Double Vacuum Cup Lifter the most practical way to put a handle on glass, marble, granite or any smooth-surface material. It has many uses including for setting mirrors, removing salvage, or handling structural glass. Very sturdy and portable, it weighs only 3-1/2 lbs. (1.6 kg), and features the industry-proven design that has been a favorite of the glass industry for decades. The cast frame has a smooth yet durable finish that resists corrosion and the abuse that comes from everyday use. The 550A is a practical and affordable material handling system that will give you years of good service. Quality made by CRL in the U.S.A.Product Warning:Never exceed the recommended weight of this vacuum cup.Most shipping weights are approximate and have not been verified. If the exact weight is needed in order to determine shipping costs, and shipping costs are required in order for you to complete your order, please request this prior to submitting your order by contacting CRL Customer Service. Product images shown are of the actual product or a close representation. Colors can vary depending on your computer's video card and on how your monitor's color is adjusted.