The Manfrotto 024B Light Boom clamps to the shaft of light stands with diameters between 19mm and 28mm. Its three sections screw together, and enable it to be dismantled and stored conveniently. Supplied with a 124 Clamp, 023 Counterweight, cable clips and locking key. Assembled length: 200cm; dismantled length: 71cm. Boom weight 1.4kg. Max load 3kg at maximum extension with 4.5kg counterweight.