Compatibility: Specifically designed for A7M4, A7R4, 7R4A, and A7S3 models, ensuring a secure fit and compatibility. Construction: Made from high-quality metal materials, this base plate ensures stability and durability, enhancing camera support. Easy Installation: Allows for hassle-free installation, enabling quick setup of your camera on a tripod. Enhanced Photography: Provides a reliable and stable platform for your camera, improving shot stability and image quality. Note: Due to different production batches, there may be variations in product appearance and printed text, which do not affect functionality. Color: Silver Material: Metal Package Contents: 1 x Tripod Mount Base Plate Nut Only the above package content is included; other items are not part of this package. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error is +/- 1-3 cm.