Two 5-inch hard rubber wheels with ball bearing steel swivel yokes, on a ½-inch threaded post with flat washer, lock washer and nut.| Justrite Replacement 5" Swivel Caster Set for Gas Cylinder Hand Trucks, Steel, 35390 Post swivel replacement caster set for single and double cylinder Justrite hand trucks.
Two 5-inch hard rubber wheels with ball bearing steel swivel yokes, on a ½-inch threaded post with flat washer, lock washer and nut.| Justrite Replacement 5" Swivel Caster Set for Gas Cylinder Hand Trucks, Steel, 35390 Post swivel replacement caster set for single and double cylinder Justrite hand trucks..