The CL-945BW Ball Mount and Clamp Socket by Yamaha delivers greater stability, reduced vibration, and improved sound quality. The CL-945BW has a short rod with an extended base. This premium piece of hardware is primarily intended for mounting a single tom, and is designed for the YESS (Yamaha Enhanced Sustain System) where the mount is not directly bolted onto the bass drum shell. Get this, and all kinds of good Yamaha hardware from the Drum Center of Portsmouth.