Check the listing for details. Plastic RCA 74B vertical stand adapter (replaces swivel mount) 3Dprinted replica. Listed at 39.99 USD. MICROPHONE & STAND NOT INCLUDED! message me if interested in 3D replica mics 3D Printed PLA Plastic Replacement AdapterRCA 74B (top) to 5/8"-27 (bottom) WARNING: Plastic Threads - DO NOT OVER-TIGHTEN! Helps mount many vintage RCA 74B mics to standard American mic stands. Most 74B mics have a swivel mount; if yours is missing or broken; this part will allow you to once again mount your mic to a floor or desk stand and finally use that amazing mic! This part is threaded to accept the original 74B screw that protrudes from the center of the bottom of the mic base. Typically, the swivel ball threads into this screw. You will need to remove the swivel ball in order to properly use this adapter. Message me with any questions or concerns. Standard color is silver, message me for custom color options Discount for multi-piece orders Please check out my other listings. Thank you!