Threaded Follow Plate for 2 Gallon Pails Follow Plate reduces the mess of bulk loading caulk from pails. Keeps exterior of gun barrel clean and prevents air from being drawn up into gun during loading. Rigid steel plates sandwich a flexible neoprene gasket that scrapes the inside of a 2-gallon pail clean to reduce waste and keep air and job site debris out of bulk caulk. Threaded cap with gasket in center of pail holds gun solidly. Fits all 2″ diameter Albion threaded barrel bulk guns (DL-45-xx, DL-59-xx, etc. plus B-Line bulk B12Bxx and B26Bxx) For use with tapered or straight sided metal or plastic 2-gallon pails with a minimum ID of 7-3/4″ and a maximum ID of 9-1/8″.