Twin Top Technical Wine Corks - #9 Size (44 x 23.5 mm) - 100 PackTwin Top technical corks are a high performance hybrid closure designed for premium wine aging. These #9 corks (44mm x 23. 5mm) feature an agglomerated cork body with natural whole cork discs attached to both ends. This design provides the structural consistency of technical cork while ensuring the wine only comes into contact with high quality natural bark. Ideal for winemakers looking for a reliable, professional grade closure that supports medium