This stand features smooth rolling wheels and a folding base. The 3 Sections, 2 Riser design gives great enough adjustment to cover all situations. the wheels have positive lock brakes to keep the stand safe and secure. the leveling leg allows proper set up on uneven terrain making this the perfect choice for location and studio alike. Avenger A5017 Roller Stand 17 with Folding Base. It is a smooth running studio performer with low profile base that slips easily into position on the set. It has a Baby (5/8") top stud. Its free-running wheels have positive lock brakes. Minimum Height 42.5”; Maximum Height 98”.; Closed Length 38.5”; Footprint Diameter 29.5"; Weight 13.23 lbs.; Maximum Load 26.4 lbs.; Attachment, 5/8 in stud; Wheels included. This replaces the Avenger A660.