Key Features: 1. Quickly switches between horizontal and vertical modes without adjusting the lens optical axis; 2. Gives full access to buttons and ports (LCD flip screen, battery door, card slot); 3. Multi-scene switching: Compatible with plate for Arca-Swiss/ for Manfrotto RC2 tripods; 4. Features multiple mounting points, such as 1/4"-20 threaded hole, 3/8"-16 threaded hole, strap slot, QD mount, for handle, magic arm, plate, wrist strap, etc. SmallRig Rotatable Horizontal-to-Vertical Mount Plate Kit for Canon 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. Compatible with plate for Arca-Swiss/ for Manfrotto RC2 tripods; the lens collar mount plate can rotate by 90 degrees by merely unlocking a knob to switch between horizontal and vertical shooting; its bottom 1/4"-20 and 3/8"-16 threaded holes also support side handle or other quick-release plates. In the baseplate there are QD mount, strap hole for Wrist Strap 3848 and a magnetic dual-head wrench for easy installation and release. Note: 1.Please remove the lens before installation/removal. 2.The product fit for Canon Mount Adapter EF-EOS R, for Canon Control Ring Mount Adapter EF-EOS R. Compatibility: For Canon R5 / R5C / R6 / 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: 1635g Package Weight: 2235g Material(s): Aluminum Alloy, Stainless Steel.