Shelf Bracket -Quick Release Plate QR Plate Highlights Generic Brand Quick Release Plate QR Plate Description: 501PL-120mm Quick Release Sliding Plate Camera Mount Comes with 1/4"-20 camera mounting screw and 3/8"" and a positioning pin (video). CNC machined, black anodized, corrosion and abrasion resistant. A rubber pad protects your camera from accidental slips or drops. Compatible with Manfrotto 701HDV 501 502HDV MH055M0 577 ball head, Benro S4 S6 S7 S8 BV4 BV6 BV8 BV10, Si Rui BP90 and BCH VH series hydraulic camera ball head. Specification: Material: Aluminum Alloy Size: Approx. 125cm/4.71.9"" Package includes: 1 x 501PL-120mm quick release plate Note: Please allow slight error due to manual measurement. Thank you for your understanding and attention. I wish you a pleasant shopping experience!