Roller Bearing Plastic PP Rubber Ball Caster Wheels with Swivel Plate - China Caster, Castor | Made-in-China.com
Buy RILIDRI Antique Casters 1.5 Brass Hooded Ball Caster Wheels Set of 4 for Furniture Legs with 5/16 x 1-1/2 (8 x 38mm) Stem Sockets, Vintage Casters for Hardwood Floors Small Sofa