JJC Extension Tube for FX Mount Set of 11mm + 16mm tubes. Can be used for close-up and macro photography. With electronic contacts. ■ Condition Used. There are slight scratches and minor imperfections from normal use. There is no significant damage. Please check the condition in the photos. ■ Operation No problems with mounting and securing. Electronic contacts also appear to be good visually. In practical working condition. ■ Included Items ・11mm tube ・16mm tube ※ No box or instruction manual. Please purchase only if you understand that this is a used item. Returns are not accepted. Please feel free to ask any questions in the comments. Thank you.