Description Replaced by Hamby 1022 Order at link below High Quality EPDM Hamby Replacement part number is 1022 Fits; 7/8 inch diameter agitator shafts Hole diameter is .875 inches. Bottom O.D. is 4.5 inches Made In USA by Sunset Milk Cooler company Related Items; 4607 Agitator Drive Retro Kit for Delaval with 7/8 shaft Sunset - 700230M Shaft Shield for 7/8 inch diameter GEA Farm Technologies 4999-1010-582 02/26