套在ad200/ad200pro后保护，避免因灯架倾倒损坏灯具。

本模型没有为神牛ad200底座AD-E2进行适配，安装后会遮挡安装孔，请使用卡盘安装灯具

This is sleeve behind ad200/ad200pro for protection to avoid damage to the fixture due to tipping of the light stand.
This model is not adapted for Shenniu ad200 base AD-E2, it will cover the mounting holes after installation, please use the chuck to install the fixture.