8Sinn Metabones NF Support Adapter for Sony a7SIII Cage Key features: – Aluminum made 3 mounting screws   Compatibility: Nikon F Lens to Sony E-mount T Adapter II Link: Nikon F Lens to Sony E-mount T Adapter II Dimensions: Height: 7mm, Width: 51mm, Length: 27mm, Weight: 10g Set includes: 1pc 8Sinn Metabones NF Support Adapter for Sony a7SIII Cage