Microphone Boom Arm - stable construction, internal spring system for perfect microphone balance, 3 swivel joints for flexible microphone height and position adjustment, max. height range 920 mm, arm length 771 mm, threaded adapter from 3/8" to 5/8" included, table edge mounting (18 - 60 mm) or grommet mounting (10 - 60 mm), load capacity 1 kg