Tappi per fori in gomma siliconica solida rotondi guarnizione tappi terminali di chiusura Bung 2,7 mm-8,5 mm
6.3mm 6.5 mm ， 6.8mm 7mm 7.3mm 7.5mm 7.8mm 8mm. The size of the option corresponds to the size of the part where the rubber stopper will be inserted into the hole. Material: Silicone (Flexible, Food Grade).