Manfrotto 410PL Quick Release Plate - for RC4 Quick Release System - The Camera Exchange
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Haoge 51mm Quick Release Clamp Adapter Convertor For Manfrotto Rc4 System To Arca-swiss Compatible, Fit 400pl / 405 / 410 / Rc4 - Tripod Monopods - AliExpress
L BRACKET RC4 - MS050M4-RC4 | Manfrotto US
Haoge 51mm Quick Release Clamp Adapter Convertor For Manfrotto Rc4 System To Arca-swiss Compatible, Fit 400pl / 405 / 410 / Rc4 - Tripod Monopods - AliExpress
Manfrotto 468MGRC4 Hydrostatic Ball Head w/RC4/410PL Quick Plate
Clamp Converter fr 200PL Quick Release Plate to Manfrotto RC4 488RC4 Tripod Head | eBay
File:Manfrotto 488 RC4.jpg - Wikimedia Commons
L BRACKET RC4 - MS050M4-RC4 | Manfrotto US
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Manfrotto 055 Magnesium Ball Head with RC4 Quick MH055M0-RC4 B&H