This camera D-ring screw is mainly used to help securely fix the camera to the quick release plate. This camera D-ring screw uses standard 3/8-inch threads, with a flat- screwdriver slot and a hinged "D" ring, allowing you to simply screw it into the quick release plate without any tools. Features - ColorAssorted Color - Size: 1.50X1.50X1.50cm/0.59X0.59X0.59in - Material: Iron. - 3/8 inch screws using a standard design for the screw holes with 3/8 inch camera and lens. - Can be replaced by some models of quick release plate screws or bracket screw. - Using suspension ring, for hanging the camera strap or backpack, easy to carry. - Can be used with tripods, monopods, telescopes, ball heads, lens collars, lens plates, etc. - It is manufactured with professional technology to ensure the of the product and can work for a long time. Package list: 6 x screws