Series 0. three-section carbon fibre boom. Gitzo's carbon fibre microphone booms continue to set the standard in terms of lightweight rigidity, & fast operation thanks to the 6X tubing & the G-Lock system. G-Lock allows for even faster & stronger locking & increases rigidity by 20%. The improvement is very important as rigidity is a key performance for microphone booms. All 6X carbon fibre & aluminium booms come with a smart Gitzo cleaner & a convenient anti-dust bag for storage and