You are bidding on a great Topcon Extension Tube Set of 3 No. 1 / No. 2 / No. 3. They have an Exatkta mount. You can use them individually or combined. 

They are in excellent condition and come with Topcon end cap.

$6 shipping & handling in the lower 48. International bidders are always welcome but pay actual international shipping costs. We offer delivery confirmation and tracking on US orders at no additional charge. Bid with Confidence! We guarantee our sales. Please see our other auctions for more great first edition books, cameras and fine jazz and blues records. Thanks for looking, and happy bidding.