501PL Sliding Quick Release Plate for Manfrotto 501 503 701HDV NG Heads RC5

Compatible with Manfrotto heads that use the RC5 quick release system (501, 503 & 701 NG Heads). Precisely engineered, black anodized, sealing it against corrosion and abrasion. For 501, 503 & NG Heads, RC5 Quick Release System, Replaces #3433PL.

eBay