Features: 360 rotating type universals wheel, easily to move freely. Easy to installation, Strong adhesive, firm and not easy to fall down. Equipped with brakes, the knob handle is easy to operate. They have builted-in stainless steel beads bearing that ensures smooth and quiet rolling. They are easy to installation on any type of furniture, such as Bedside table, storage cabinet, household appliances, plant tray, trash can. Specifications: Materials: Plastic Color: Black/White/Clear Size: about 4x3cm/1.57x1.18inch Package Includes: 4pcs Caster Wheel note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.
eBay