Manfrotto's 024B Light Boom attaches to the shaft of most lightstands with diameters of 19, 20, 25, 28mm.
The 024B is 3 sections boom arm complete with Pivoting Clamp 124, Counter Weight 023, cable clips and locking key.
Weight: 1.4kg (boom only). Load: 3kg at 170cm with counter weight.
Weight: 5.70 kg
Minimum Extension: 71.0 cm
Maximum Extension: 200.00 cm
Attachment: type25 + spigot art. 013
Sections - Boom Arm: 3
Arm Tube Diameters: 25mm