This is a Nikon PK-13 Extension Tube.
This extension tube is in excellent condition and shows no signs of use or wear. Comes in OEM box with both front and rear caps.
WE SHIP IN 1 BUSINESS DAY and we package professionally and will combine to save on shipping costs. We are also interested in BUYING your photographic equipment as well. Contact us for a quote. We are Camera Exchange in Waterford Michigan.