The UM97 U-Mount Pull-Back Release Sleeve from On-Stage is designed to be used in conjunction with other adapters and accessories in the U-Mount Snap-On Series. The U-Mount adds quick release functionality with most devices with standard female 5/8"-27 threading.
On-Stage UM-97 Specs
UM5001 Universal Round Mount
UM5003 Universal Large Round Mount
UM-88 Female to Female Adapter
TCA1066 Universal Mounting Post Accessory Kit