Amazon.com : SIOTI 323 RC2 Quick Release Plate Adapter, Rapid Connect Adapter with Quick Release Plate for Manfrotto Monopod, Manfrotto Tripod, or Other Ball Head and Tripod : Electronics
Amazon.com : Manfrotto 323 RC2 Rapid Connect Adapter with 200PL-14 Quick Release Plate - Replaces 3299-Black and a ZAYKiR Quick Release Plate for the RC2 Rapid Connect Adapter : Electronics
For Manfrotto 323 Rc2 Rapid Connect Adapter With 200pl-14 Quick Release Plate Clamp - Screws - AliExpress
Camera 323 Quick Release Adapter for Manfrotto Tripod 200PL-14 Compat – koolehaoda