China Light Duty Caster, Small Caster, Roller Wheel, Plastic Caster, Rigid Caster, PP Caster, Rubber Caster Wheel - China Medical Caster Medical Castor Plastic Me, Plastic Brake Medical Caster
B&K SteelTek 2-Pack 2-in Rubber Swivel Caster in the Casters department at Lowes.com