*All you need is a universal pulley that can rotate freely and has strong load-bearing capacity. * you solve all the problems caused by heavy objects *main feature: * and labor-saving: stick the universal wheel to the bottom of the box, and the heavy box can be easily moved *Suitable for moving and cleaning, and suitable for storage boxes and packing boxes of various types and sizes. *360-degree free rotation: ball-shaped paste pulley, which can slide at any angle, *Unrestricted, completely silent when in use. *Suitable for cosmetic storage, kitchen, desktop, bedroom, bathroom, living room, lower shelf storage. * load-bearing: The roller frame is made of high-quality ABS material, which is strong and wear-resistant and has a long service life. *It can easily move heavy objects without stress. * s: *Product name: universal wheel *Outer diameter: 4.5cm*2.8cm*1.4cm *Main material: ABS+ *Product weight: about 30g * : stick seamless glue on the pulley and put the pulley on the bottom of the box for 24 hours to use. Smooth pulleys no longer worry about heavy objects *Package Included: *4* wheel