Specifications:
Brand new, top quality.
Color: white
Material: Nylon
Size: The diameter of rotated ball: 1/3", the top diameter of base: 4/7", the bottom diameter of base: 1/2". The detailed information please follow the picture.
With a load bearing capacity of 4.4 lbs each, and maximum: 6.6 lbs.

Function:
Mini Nylon Ball Transfer Unit are omni-directional load-bearing spherical balls mounted inside a restraining fixture. They are used for small and light transportation.
Easy installtion.

Package Include:
10 X Mini nylon ball transfer