Features 1,Suitable for 501PL Base: The rapid connect dovetail plate is compatible with for 501PL base, allowing you to save time when mounting or dismounting DSLR or mirrorless cameras. 2,Compatibility: Not only compatible with for RC5, but also supports for Arca system, making this quick release plate compatible with various camera tripods, ball heads, stabilizers, and more. 3,Aluminum Alloy: Crafted from premium aluminum alloy using CNC integrated processing technology, the quick release plate is rust resistant, wear proof, sturdy, reliable, and has a long lifespan. 4,Standard 1 or 4 Inch Screw: This quick release camera tripod adapter features a 1 or 4 inch standard screw of appropriate length for securely mounting your camera. 5,Anti Slip and Scratch: The top of the camera quick release plate is equipped with anti slip and scratch resistant padding, making it compact, lightweight, and highly portable. Specification Item Type: Quick Release Plate Material: Aluminum Alloy Interface: 1 or 4 Inch Screw Width: Approx. 37mm or 1.46in (1mm Tolerance) Length: Approx. 50mm or 1.97in Height: Approx. 11mm or 0.43in Package List 1 x Quick Release Plate1 x 1 or 4 Inch Screw Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.