SmallRig Rotatable Horizontal-to-Vertical Mount Plate Kit for Canon EOS Specific R Series Cameras 4300 is designed to quickly switch between horizontal and vertical shooting without adjusting the lens optical axis. It maintains full access to LCD flip screen and ports and features built-in pads that prevent scratches and twist. The rotatable mount plate can rotate by 90 degrees by merely unlocking a knob to switch between horizontal and vertical shooting. Quick release plate with support ring is compatible with Arca-type / Manfrotto RC2 tripod and DJI R Quick Release Plate (Lower), its bottom 1/4?-20 and 3/8?-16 threaded holes can be used to expand side handle or other quick release plates. In the base plate there are QD mount, strap hole for Wrist Strap 3848 and a magnetic dual-head wrench for easy installation and release. Compatibility: Canon EOS R5 / R6 / R5C / R6 Mark II In the Box: Rotatable Horizontal-to-Vertical Support Ring x 1 Rotatable Horizontal-to-Vertical Support Ring Quick Release Plate x 1 Baseplate x 1 Allen Wrench x 1 M4 Screws x 2 Specifications: Product Dimensions: 124 x 94 x 68.7mm Package Dimensions: 144 x 102.5 x 56mm Product Weight: 163?5g Package Weight: 223?5g Material(s): Aluminum Alloy, Stainless Steel Note: 1. Please remove the lens before installation/removal. 2. The product Compatible with Canon Mount Adapter EF-EOS R, Canon Control Ring Mount Adapter EF-EOS R. 3. This product is only compatible with the following lenses: Canon RF 24-70mm f/2.8 Canon RF 24-105mm f/4 Canon RF 24-105mm f/4-7.1 Canon RF 85mm f/2 Canon RF 50mm f/1.2 Canon RF 100-400mm f/5.6-8 Canon RF 15-35mm f/2.8 Canon RF 100mm f/2.8