VEVOR Caster Wheels, 152.4 mm Swivel Plate Casters, Set of 4, with Security A/B Locking No Noise PVC Wheels, Heavy Duty 318 kg Load Capacity Per Caster, Non-Marking Wheels for Cart Furniture WorkbenchProduct Features Roll Silently & Smoothly Dive into the bliss of a dual ball bearings design! With selected high quality ball bearings embedded, rust becomes a myth. Let your caster wheels glide in tranquility, whispering tales of seamless journeys. Move Like the Wind Feel the freedom of 360 rotation. Move it, swivel it, lock it! Our office chair wheels glide smoothly and come with a beefed up A B brake system. Pause on a dime and stay safe, no matter