gravity sp 5211 acb pneumatic speaker stand lightweight aluminium speaker stand integrated air brake system for effortless lowering tripod base with diecast aluminium collar steel height adjustment collar ergonomic set screw the gsp 5211 acb is a classic tripod speaker stand made from thick walled. yet lightweight powder coated aluminium tubing with a maximum height of 192 cm. featuring a built-in air brake it allows you to lower loads up to 50 kg with minimum effort. the die-cast aluminium leg collar has been completely redesigned to provide superior durability and longevity. to provide superior strength the height adjustment collar is made of steel and is virtually indestructable. a safety pin securely locks the 35 mm diameter extension pole in place. the ergonomic set screw knobs are made from high grade abs with a soft touch. non-slip thermoplastic coating for comfortable operation. a set of black coding rings is included with the sp 5211 acb. additional ring packs are available in a wide array of colors for instant personalization. product type stands and tripods type other stands and tripods tubing material aluminium tubing colour black tubing surface powder coated min height: 1060 mm max height 1920 mm transport length 1050 mm height adjustment yes material of height adjustment steel base type tripod base material die-cast aluminium tubing diameter 35 mm max. load 50 kg black ring pack included yes weight 2.8 kg