This hub needs no tools to attach, just push on from the 90 degree side opening, and twist, and with a snap it is locked in a parallel upright position. Reverse motion to remove. Comes standard with 2 mounting slots for any 2 Musician's Office Accessories. The 640 is best suited for the upper section of a Yorkville microphone stands. Also available with clamp and thumb screw (640c)
Fits Yorkville, Atlas and other similar Stands