The product includes: 1 x QuadCast Adapter. (Not included: Hyperx Boom Arm, Microphone). Material - This Microphone Mount Adapter is made of high strength hard plastic with a metal nut in the middle to prevent the plastic from being worn out during the rotating installation. Specifications - This QuadCast Boom Arm Adapter is a 3/8" connector that fits most of the Boom Arm Mic Stands on the market. Customer Focus - We have sold a lot of QuadCast S Boom Arm and found that some of our customers are missing the Adapter to connect to the HyperX QuadCast and are unable to install it with the Hyperx Mic Stand. We have been listening to our customers, listening to their opinions and needs, and have finally produced this QuadCast Adapter Accessories. Professional Customization - This is our measured and customized product that fits perfectly with HyperX QuadCast, HyperX QuadCast S, HyperX DuoCast.