This is a mint condition high quality Fotodiox Pro M645-NEX Mamiya 645 to Sony E adapter, allowig you to fit any Mamiya 645 lens to Sony digital cameras.
This adapter has really minimal signs of use, and mechanically no issues – it is in perfect working order. You can find cheaper adapters in China, but this is in the UK with no import duties, and has the top build quality expected of Fotodiox adapters. It is just about as new. It includes a removeable tripod mount.