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Closed Cell Foam Pad Rings are available for any of Powr-Grip's below-the-hook lifters that are equipped with HV11 vacuum pads. This option is indispensable for lifting stone slabs or other materials with surface texture: The rougher the surface, the more difficulty vacuum pads have sealing against it, thus allowing air to leak under the pads. Smooth surfaces, such as polished stone, generally seal well with standard vacuum pads. However, saw-cut and honed surfaces have some texture that can make sealing more difficult. For rougher surfaces, such as flame-cut stone, foam rings are essential to attain a good seal. The flexible foam rubber in these rings helps vacuum pads conform to rough surfaces and reduces the vacuum flow needed to overcome leakage.

Please contact your authorized dealer for pricing and delivery information.