Compatibility: Specifically designed for A7M4, A7R4, A7S3 models, ensuring a secure fit and reliable compatibility. Construction: Made from high-quality metal materials, this base plate provides stability and durability for enhanced camera support. Easy Installation: Allows for quick and hassle-free setup, enabling you to mount your camera on a tripod with ease. Enhanced Photography: Offers a stable platform for improved shot stability and image quality. Note: Due to different production batches, there may be slight 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 items listed above are included; other accessories are not included. Note: Lighting and display differences may cause the color in the images to vary slightly from the actual product. Measurement error allowance is +/- 1-3 cm.