I am selling these items to declutter. Functionality has been confirmed. There are scratches and scuffs on the exterior. These are replacement mounts compatible with the Tamron MF lens "Adaptall 2" system. This is a set of 2, one for OLYMPUS OM and one for Canon FD. The only included accessory is a rear lens cap. - Model Name: TAMRON ADAPTALL 2 - Compatible Mounts: OLYMPUS OM Canon FD - Included Accessories: Lens Cap - Country of Manufacture: JAPAN Thank you for looking.