ProBoom Elite Mic Arm - Undoubtedly, the world's most popular Mic arm in the radio broadcast industry. Our famous Deluxe Ultraflex arms provide unequaled holding power and "squeak-free" operation while "on the air". This model is *arm only*, and does not come with mounting provision. The base of the arm has a 1/2" diameter stud, to be used in conjunction with an OC White mount, or mount of your choice. Provided with a 5/8-27 threaded mounting stud to hold virtually any microphone in a stable position. Overall reach of this model is 29", with multiple finish choices.