ITEM NAME:140mm Camera Aluminium Quick Release Plate QR Clamp For Manfrotto Benro 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 Includes: 1 Piecex Quick Release Plate SKU: ALU0024453963010617.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.