(SAFE & STABLE)The adjustable table mount clamp with two nylon locking knob can securely lock the light stand on the desktop, so that assure the equipment connected to the desk clamp stand can be secured and safe. (HEIGHT ADJUSTABLE)Through the rubber twist locks, the height of the desktop C-clamp stand allows switching between 14.2-23.6'/ 36-60cm. The nylon lock is easy to operate, saves time and locks firmly. (FIT FOR DIFFERENT DESKTOPS)The C-type clamp adopts a three-hole design, so through adjusting the knob and screw between these holes can be supported the table thickness from 0-3.1'/ 0-8cm, it included almost all tables. (1/4' STANDARD CONNECT)The 1/4' standard screw connector has wide versatility and is suitable for almost all film and television lighting equipment, such as mobile phones, fill lights, photography light etc. ( ball head is not included) (ANTI-SCRATCH RUBBER PAD)The strong C-Clamp can support for any type of desktop, with a protective rubber pad design