Product information "NOGA Head Adaptor & Quick release AD4200 Bottom Int. 1/4'' Top 1/4''-20 + Nut"
The Quick Release Adapter from Noga features a pull-to-release top with a 1/4"-20 threaded screw, and on the bottom has a 1/4"-20 threaded hole. The top portion is also outfitted with a non-slip rubber mounting surface for optimal safety and stability. Instead of screwing and unscrewing, simply pull off the top, attach your gear to it, and then easily and securely push it right back in.