This is the perfect gift for any wine lover ... The Durand removes old and fragile corks whole and undamaged. Instructions for use are printed on the inside of the reusable wrapper that encloses the cork presentation box of the Durand.The Durand is a broadly patented device that is exceptionally effective in removing compromised and fragile corks, whole and intact, from older, valued wines. The Durand has been repeatedly tested on the most challenging corks. It has performed consistently and flawlessly.