High-quality replacement threaded stem swivel caster set for Henny Penny ranges 500, 600, CFA-500, CFA-600, PFE-500, PFE-500-CFA, PFE-561, PFE-600, PFG-500, PFG-561, and PFG-600. The listing is for four (4) service caster series, two (2) swivel casters with top lock brakes, and two (2) swivel casters, with 3-inch diameter by 1-inch wide polyolefin wheels and 5/8-18 inch threaded stems.