For sale, inspection and pick up in San Francisco is this Cambo EST Studio Stand. Catalog description " EST2 consists of E1/E3. E1 Square column 70mm black, with slider, counterweight, and base with three swivel casters and 3 blocking devices (step on, locking brakes) 2.10 m. (7 feet) high.
E3 Single arm for 1 camera of max 5.5 kg. (12 lbs.) Movability 340 mm (13 1/2 in) from column to end of arm." Includes Cambo accessory tray. Also included is a light Silk 3 way tripod head but you can put any kind of 1/4 or 3/8 head on it.
Take a look at the photos. Counter weight makes for fast adjustments.
Works great. Only $200. Act now. PM for info. 3% to APUG.