Deep groove ball bearings, fashionable, slide flexible, compression wear.
Suitable for furniture hardware accessories, mobile doors, glass sliding doors, aluminum doors and w
It is made of high-quality nylon and plastic, with high durability, long service life, and can reduce vibration and noise.
This u groove pulley is widely used in doors and windows to track and drive mechanical equipment. There are total 5 pieces of pulleys in one set that you many use for many projects.