The Shure A26X is an extension tube for table stands. It is also fit for mounting the Beta 56 on various holders.
The Shure A12 screw thread adapter can be used to secure 5/8" hardware like microphone clips and goosenecks to the edge of a desk or table.
Looking for a way to secure a 5/8" gooseneck or microphone mount to a desktop? The Shure A13HD high-quality metal flange is all you need.