Amazon.com : Manfrotto 501PL Rapid Connect Sliding Plate with 1/4'' and 3/8'' Camera Fixing Screws,Black : Tripod Camera Mounts : Electronics
BEXIN Quick Release Plate adapter mount Sliding 501PL Rapid Connect Base for Manfrotto 501 503 701 Q5 Camera Tripod Accessories - Price history & Review | AliExpress Seller - BEXIN Official Store | Alitools.io
Lanparte Lightweight Quick Release Shoudlder Support With Manfrotto 501 Plate, Soft Shoulder Pad And Dlsr Camera Accessores - Photo Studio Kits - AliExpress
Manfrotto 501PLONG Quick Release Video Camera Plate 501PLONG B&H
Baseplate for Manfrotto 501 plate compatible with ARRI dovetail-Dongguan Lanparte Television Equipment Technology Co.,Ltd.
Amazon.com: Foto4easy 501PL Sliding Quick Release Plate QR for Manfrotto 501 503HDV 701HDV MH055M0-Q5 : Electronics
Manfrotto 577 Quick Release Adapter with Sliding Plate — Glazer's Camera
PM501 Manfrotto-Type QR Plate with Arca-Type Clamp | ProMediaGear