Truly a masterpiece in Arabic numerals - The coordinates of the Holy Kaaba are approximately 21.4225° N latitude and 39.8262° E longitude 
These coordinates hold immense significance, symbolising unity and connection, much like the ummah facing one direction in prayer.  A meaningful piece and reminder, a ring you can always wear and keep close to you. After your prayer, remembering its importance can bring a sense of connection and faith .