4PCs Self Adhesive Universial Wheels Casters 360° Rotatable Ball Pulley Mini Swivel

1.This kind of sticky pulley works with low noise, making your work more convenient and easier because it will not disturb your life. 2.This caster roller could be rotated 360 degrees, which is smooth when working, saving time and strength for you. This kind of storage box pulley is easy to install, suitable for different kinds of storage box, you can order without worries. 3.This caster pulley is made of durable material, which is designed with exquisite workmanship and details, could be used for a long time. Designed with small size, this kind of universal wheel is easy to store when not in use, will not take so much space.