Twist one of the three protrusions off, and the solid stopper becomes a one-hole stopper. Twist another one off, and you have a two-hole stopper. Twist the last one off, and it becomes a 3-hole stopper. Made of "white" natural rubber, with safe, convenient, countersunk 5 mm holes. Top diameter 45 mm Bottom diameter 38 mm Height 26 mm 5 stoppers per pack. |