It consists of a Double Riser Sliding Leg C Stand with a Grip Head and 40" Arm. The stand rises to a maximum height of 10.5' (3.2 m).
The unique staggered leg design of a C Stand allows it to be nested and placed extremely close to one another on a set. The top leg of the stand is independently adjustable.
Sliding independent top leg adjustment for leveling on uneven terrain
Griphead and arm allow mounting and placement of gobos, small reflectors and small light fixtures
 
https://www.bhphotovideo.com/c/product/320208-REG/Matthews_B756040_Hollywood_Century_C_Stand.html