Describe
* Material: Copper + nylon.
* Package: 2pcs upper wheel
2pcs bottom wheel (Other accessories are not included).
* Size: wheel diameter 23mm, hole spacing 26mm, suitable for glass thickness 4-6mm
Please attention: Due to manual measurement , there may be deviation exist,hope you can understand.
* About color:
There are slight difference between the picture and the real item caused by light brightness,hope you can understand.