Features:
100% brand new and high quality
Deep groove ball bearings, fashionable, slide flexible, compression wear.
Suitable for furniture hardware accessories, mobile doors, glass sliding doors, aluminum doors and windows, shower pulleys and drawers, etc.

Specification:

Brand new
Color: White / Black
Injection Material: POM
Bearing Material: high carbon steel
Inner Diameter : 8mm/0.3"
Outer Diameter: 30mm/1.2"
Thickness:         10mm/0.4"