Features Ideal for SRM V-Class Loudspeakers Standard 1-3/8" (35mm) Mount Includes 1-1/2" Adapter Heavy-Duty Adjustable Stand The Mackie T100 is a loudspeaker tripod stand that's ideal for raising the height of your Mackie SRM V-Class loudspeaker. This heavy-duty adjustable stand features a standard 1-3/8" (35mm) mount and includes a 1-1/2" adapter, allowing it to support a variety of loudspeaker brands and sizes.