Twist one of the three rubber protrusions off, and the solid stopper becomes a one-hole stopper. Twist another one off, and you have a two-hole stopper. Twist the remaining one off, and it becomes a 3-hole stopper. Made of "white" natural rubber, with safe, convenient, countersunk 5 mm hole. Size: 5 Top diameter: 26 mm Bottom diameter: 23 mm Height: 25 mm 5 stoppers per pack. |