Features: Metal tripod mount base stand for camera lens mounting on tripod, size is about 8.5 * 6.5 * 3cm. Replacement for Sony FE 70-200 F2.8GM OSS/ FE 100-400 F4.5-5.6GM OSS/ FE 18-110 F4 G OSS PZ lens. Designed with standard 1/4-inch and 3/8-inch threaded holes for universal tripod compatibility. The mount adapter Features quick release Arca Swiss interface for quicker ball head and tripod loading. Made of high grade avaition aluminum alloy, CNC machined and anodized surface reflects high quality craftsmanship. Specifications: Brand: Andoer Main Material: Aluminum alloy Size: 8.5 * 6.5 * 3cm / 3.35 * 2.56 * 1.18in Net Weight: 91g / 3.21oz Package Size: 13.5 * 7.5 * 4cm / 5.31 * 2.95 * 1.57in Package Weight: 114g / 4.02oz Packing List: 1 * Lens Collar