1、High Quality: The bracket set is made of aluminum alloy, which is durable, not easy to damage, corrosion resistant, fall resistant and can be used for a long time. 2、Adjustable Rod: The height of the support can be adjusted by rotating the shaft knob to make the lighting equipment rise and fall easily and stably. (working height of extension rod: 33‑60cm/12.9‑23.6in) 3、Four 1/4inch Screws: C clip has four 1/4inch screws at the top, side and bottom, with thick rubber pad to protect your equipment from scratch. 4、Multi Function: With adjustable jaw, adjustable to 60mm/2.4in. The PTZ tilt extension rod can be connected to a tripod, with various functions and practicality. 5、Easy Installation: Without other tools, the fixture can be adjusted by rotating the screw to suit different worktables. The installation and operation is simple and convenient.