Fits 3/4" openings like wine bottles, etc. Cork Diameter: .768" (19.5mm) Cork Length: .850" (22mm) Cap Diameter: 1.1" (28mm) 19.5mm Dark Wood T-Corks fit most wine bottles, many spirit bottles and similar openings. High premium grade natural corks are processed to achieve super white finish for use with wine, oils and most spirits. These are decorative, re-usable T-Corks.