1. Design: The kitchen appliance wheels feature 5 rolling balls that can rotate 360 degrees for smooth and quiet movement without damaging floors. 2. Move Heavy Loads with Ease: Our wheels effortless to move heavy items and furniture in any direction, including forward, backward, left, and right. 3. and Smooth: These rotation wheels are made from material, providing a sturdy yet smooth and easy rolling experience. 4. Versatile and Easy to Install: Our wheel hub is compatible with small appliances, storage boxes, trash cans, furniture, and other items that require mobility. The installation process is simple and does not require drilling holes. It is recommended to wait 24 hours for the wheels to become firmly attached. 5. Convenient and Practical: Small steel balls may not rotate during portation, but you can manually roll them to they operate smoothly. With our wheels, you can quickly move items around your home or office without exerting too much effort or risking injury. Color: A White Material: Plastic+Metal Package Contents: 4 * Caster Wheels Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.