DS18 FLMBX Flat Mounting Bracket (Single) Our ultra-loud DS18 X series towers come with a standard size tower clamp that fits most applications, but for those that do not have a tubular tower need another option.The FLMBX attaches just like the standard clamps to the base of the tower, but now gives you a flat mount option that can be mounted to any solid flat surface that has proper support.These super strong clamps are sure to secure your DS18 X series towers a sturdy and stable base with angl