1、Compatibility: Designed with for Arca Swiss standard, quick release plate is universally fit for S4 Fluid Head, suitable for photography. 2、Mounting Screws: Equipped with 1/4in and 3/8in handle screws, easy to tighten even without a spanner, can be matched with SLR, mirrorless camera, digital camera, etc. 3、Safety Pin: The quick release plate is equipped with a safety pin to prevent accidental sliding, ensuring the safety of your camera and camcorder during use. 4、Protective Rubber Pad: The quick release plate includes anti slip rubber pads, protecting your camera equipment from scratches even when in use. 5、Aluminium Alloy: Made with aluminium alloy with anodized surface treatment, this quick release plate is wearproof. Compact and lightweight, making it easy to carry.