Manfrotto 098B Wall Mount BoomManfrotto 098B Wall Mount Boom This space saving boom will give you more usable floor space in your studio. It consists of a two section boom arm on a swivel mounting bracket. It provides a maximum extension of 82 7 10" (210cm) with a minimum extension of 47 1 5" (120cm) and plenty of movement with 160 vertical and 180 horizontal rotation. Fully extended, the Wall Mount Boom will handle up to a 9. 9 lb. (4. 5kg) load. A 5 8" adapter has both 1 4 20