Manfrotto MA425B Mega Boom Black w/Geared Tele ExtensionThe Manfrotto 425B Mega Boom is the largest boom in the Manfrotto line. Movements, including pan, tilt, rotation, and the telescopic extension of the boom arm, are controlled by smooth operating geared crank handles. This two section Mega Boom has a 12' maximum extension. It features a maximum payload of 13. 23 lb at maximum extension and 66. 14 lb at minimum extension. It has dual receptors, Junior (1 1 8") and Baby (5 8"). An empty counterweight bag