The K-202 Klassic boom is the longest of the K-Tek booms and extends from 4' 7" to 20' 11".High density graphite fiber material gives maximum strength and minimum weight.Couplings are designed for maximum holding power with a minimum of torque applied; and dust, dirt and sand proof. "Captive Collett" design makes coupling resistant to jamming. Unique milled collar surface durable and controllable grip while being gentle on the hands.Pole top features cable retaining slots and a replaceable stainless steel threaded mounting stud.