Key benefits Wide compatibility with 3hole or 4hole projector panels; supports diagonal hole distance up to 13.77 inches. Flexible and stable mounting; retractable projector mount and wall rod allow precise viewingangle adjustment while ensuring longterm durability. Adaptive claw system; remotely adjustable claws with a thickened disc design that can be extended and rotated to fit different projector hole types. Easy, solid installation; base hole spacing is 3.54 by 7.08 inches (center distance), comes with expansion screws, suitable for mounting on solid walls in various rooms. What this product fits Projectors with 3hole or 4hole mounting patterns. Installations where adjustable viewing angle and secure hold are required. Solidwall environments such as living rooms, classrooms, or offices. Specifications and features Diagonal hole compatibility: within 13.77 inches. Mounting components: retractable projector mount and retractable wall rod for angle tuning. Claw design: remotely adjustable claws with a thickened disc design; claws extend and rotate to accommodate different hole types. Base pattern and fasteners: base hole center distance 3.54 x 7.08 inches; expansion screws included for solidwall installations. Use scenarios Home theater setup: mount a projector with a 3hole or 4hole pattern on a solid wall, adjust the mount and claws to achieve the screen alignment and throw distance, and finetune viewing angle for a balanced image. Education or corporate space: install in a classroom or conference room where different projector models may be used; easily swap or reconfigure by adjusting the claws and mounting components to fit various hole patterns. Multiroom AV installations: deploy in different rooms (living areas, meeting rooms, or reception areas) needing reliable, longterm projector support on solid walls, with quick angle and projection adjustments as needed.