Features and Benefits:?For use with diamond coring rigs with detachable vacuum pads?Provides 1,800 lb of holding force?1 per package?Easy to installVacuum pad assembly for use with models with detachable vacuum pads, 4115, 4125, 4130, and 4136. Single vacuum pad which provides approximately 1,800 Lb. of holding force. Supplied as standard equipment (with models 4115-22 and 4120-22).