The O.C.White SMS-4-ULP is a ProBoom Ultima Quad Monitor & Mic Boom SMS Package. It features a 30" Vertical Rise Modular Clamp/Bolt Through Mount with (4) Ultima Adjustable Monitor Arms & (4) 8" fixed horizontal arms; Up to 20lb. screen weight per arm; Integrated cable management system with wire guide clips; Black finish; Also includes (1) Ultima Low Profile Mic Boom; Includes all necessary tools for adjustment and installation.