This is a 2-section, black Manfrotto Alu Cine Air Cushioned Stand with Leveling Leg. This aluminum stand rises to a maximum height of nearly 7' (2.1 m), and can support up to 33 lbs at minimum extension. It has a leveling leg which extends and locks, adding stability when it is used on uneven terrain or stairs.
Two section cine stand with one riser
Accepts a Junior (1-1/8") stud or Baby (5/8") receptor fixture
 
Thank you Bhphotovideo,com
https://www.bhphotovideo.com/c/product/512397-REG/Manfrotto_008BUAC_008BUAC_Two_Section_Air.html