Musical Instrument Cases & Racks
K&M 21150 Boom arm XL
K&M 21150 Boom arm XL - Extendable boom arm; exclusive swivel joint; Clamping: T-bar locking screw; Boom arm length: 420 - 730 mm; 3/8" Threaded connector; Material: steel; weight: 0,82 kg; colour black
https://www.bizrate.co.uk/musicalinstrumentcases_racks/k-m-21150-boom-arm-xl-oid36929191683.html