Features: 1/4 inch metal male thread with flat head screwdriver slot and hinged D-ring. This captive screw allows the fitment of different styles of plates to fit directly into the base of your camera equipment via the 1/4 inch screw. With the ring screw, can be fixed to the camera base without tools, helping you save time and effort, easy to install and disassemble the tripod. This quick release plate screw is suitable for camcorders and camera tripods. Can be used with tripods, monopods, telescopes, ball heads, lens collars, lens plates, etc. This camera tripod mounting plate screw is made of nickel-plated iron with precision machining, providing precise dimensions for a perfect fit, durable, sturdy, and reliable. If you are a photographer, you will understand the importance of having essential accessories for photography. They help solve many practical shooting issues. Package Includes: 10 x 1/4 inch Quick Plate Screw Specifications: Material: Nickel-plated Iron Type: D Ring / Without Ring Size: Approx. 12 x 10 mm / 0.47 x 0.39 inches Note: 1. Please allow 1-2 cm errors due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences in monitor displays, the picture may not reflect the actual color of the item.