Weha flexible back up pads are soft rubber back ups with super strong hook and loop pads to hold the polishing pads strong throughout the polishing process. These are the most used back up pads. With a nice mid flex that allow the diamond polishing pads to hug the stone on radius profiles, bowl polishing, even ogee edges. ProductSiteLaunchDate : 2014-10-22T11:06:04.566Z Size : full size StreetDate : 2016-11-16T00:00:01Z SupplierDeclaredDgHzRegulation : unknown SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 1