The ProBoom® Ultima® Gen2 Ultima Low Profile Adjustable Mic Boom with a 12” (30,48 cm.) fixed horizontal arm is a key building block in our modular mounting system for microphones and monitors. This single arm has a 29" (73,66 cm.) overall reach and supports microphones (not included) with a 1-5 lb (0,46 - 2,27 kg.) weight rating. Arm includes specialized angle limiting adjustment which allows for locked rotation ranges, but this product includes no mount (base stud size 13mm).