The Plyisty Camera Rail Nodal Slide Quick Release Plate Clamp is a versatile and sturdy camera accessory designed for easy installation and removal. Made of aluminum alloy, it features precision CNC machining for smooth operation. The plate is equipped with an Arca standard knob clamp, scales, and a built-in bubble level, making it perfect for panorama and macro photography. The knob clamp can be adjusted to a maximum opening of 50mm, and the bubble level ensures accurate horizontal orientation. The 1/4in screw hole allows for mounting accessories like microphones, flashes, and panel lights, making it convenient for outdoor filming, live streaming, and video recording. Compatible with Arca ball heads, this quick release plate is ideal for photographers looking to easily adjust their camera position without removing it.