All Metal Handle and Pump Handle Position is Ideal For Use With Windshields Red Warning Indicator Warns of Low Vacuum The CRL Wood's Powr-Grip 6" (152 mm) Vertical Handle Vacuum cup has a semi-concave rubber cup which is excellent for handling curved surfaces such as windshields. The flexible cup conforms to the surface then flattens out, providing maximum gripping power. This cup uses the same plunger as the Woods W4950, respected worldwide in the flat glass industry. A plastic cup cover is included with this cup to protect the rubber. A must for anyone in the automotive windshield replacement business. Warranty: 1 Year (Subject to Inspection) Minimum Order: 1 Each Additional Product Information: This cup has a vertical lifting capacity of 70 pounds (31.75 kilograms). Important Note: Never exceed the recommended weight limit of this cup.