11/02/2020
Change point
Indicator size become larger cone shape one with bicolor (red and black) to improve its visibility.
A convex lens is provided only at the center of the top surface of the cap, so that status of the Open and close can be easily recognized.
Note;
We start to deliver November 11 2020. However, new type and old type may be mixed for the time being
We are sorry for the inconveniences.