The remarkable Ultima Gen2 system begins with the ProBoom Ultima Gen2 Low Profile Adjustable Mic Boom with its one 12 fixed horizontal microphone arm. An 18 bolt-through riser post allows the system to grow with your studio and your needs.Main Features: One 12 fixed horizontal arm 1-5lb. weight rating Black finish Includes all necessary tools for adjustment and installation 18 Vertical Modular Clamp/Bolt Through Riser Assembly included 5 Year Mechanical WarrantySpecifications: Shipping Weight: 16 lbs Vertical Mounting Height: 18″ Product Line: ProBoom Reach: 29″ Reach*Microphone not included*Not Compatible with First Generation of Ultima Products*