How to use:
Rotate the upper disc to align the year and month to be searched, and then the diagonal direction will display the week information for each day of the month
You can know the day of the week from 2010 to 2060
The first "S" means Saturday, and the other "S" is Sunday
Shape\pattern: Round
Metals Type: Zinc Alloy
Metal color: Silver
Material: Metal
Item Type: Key Chains