ITEM NAME:140mm Multi-purpose Long Quick Release Extender Plate for Benro Manfrotto Description: - The Quick Release Plate is a 140mm long fast sliding compatible with heads that use the RC5 quick release system. - It comes with a 1/4 " and a 3/8" camera screw each, and has a (video) pin slot. - Cutting CNC machined aluminum aerospace light weight; - Anodized satin surface-offers better abrasion and corrosion resistance. - Compatible with 500, 501, 502, 503, 501HDV, 503HDV, 519, 561 BHVD and 701HDV the manfrotto ball joints and 577 fast plates! Specification: - Material: aluminum alloy - Size: 138x48x10mm Package Included: 1 Piecex Quick Release Plate.Compatible with 500, 501, 502, 503, 501HDV, 503HDV, 519, 561 BHVD and 701HDV the manfrotto ball joints and 577 fast plates! - The Quick Release Plate is a 140mm long fast sliding compatible with heads that use the RC5 quick release system.