Features: Made of high quality ABS materials, wear-resistant and durable, has a long-term possession. Adhesive design, installed on the bottom box, no complicated process. Caster rotation and precision ball bearings in the shaft make rolling easier. These spare casters allow you to roll smoothly and quietly without making harsh noises, and ensure that you don’t scratch or leave marks on any surface. After pasting this product on the bottom of the storage box, please leave it for 24 hours before use. Adhesive Pulley only, other accessories demo in the picture is not included.
Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!