Midwest Photo Manfrotto RC2 Rapid Connect Adapter with 200PL-14 Plate
iShoot Universal QR Clamp Manfrotto RC2 Adapter Change for AS Compatible with Manfrotto 200PL 410PL Arca Swiss IS 200PL PRO|Tripod Monopods| - AliExpress
Manfrotto RC2 Compact Rapid Connect Adapter w/3157N Plate - 8909 – Buy in NYC or online at The Imaging World in Brooklyn
Dual Plate Manfrotto RC2 Plate | Peak Design Official Site
Manfrotto 323 RC2 System Quick Release Adapter with 200PL-14 Plate - The Camera Exchange
Smallrig Quick Release Plate For Arca-swiss And Manfrotto Rc2 Style Baseplate Camera Cage Mount To Video Shooting Tripod - 2364 - Tripod Monopods - AliExpress
QRM (Manfrotto RC2 Series Tripod Quick Release) - Custom Brackets