Features:

V-shaped wheel can perfectly adapt to the inverted track, and can reduce vibration, suitable for V-shaped groove track
U groove wheel are made of 304 stainless steel which has higher strength and super capability;
There are two carbon steel balls bearings in the pulley, which can reduce the friction of the wheel.
The pulley rotates more flexibly without noise.
The pulley are removable for easy installation.

Specification:
Material: Steel
Size:as picture shows

Package Contents:

1pc Wheel

Note:

1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

2. Please allow slight manual measurement deviation for the data.