The Open key Ring series from Skultuna features the iconic Key from an old Skultuna product and comes in gold plated and polished steel.

• Cut a string that is about 16 cm long.
• Fold the string around the base of the finger, just below the knuckle.
• Mark where the string ends with the pen.
• Place the measured string on the ruler with the area marked on your right.
• The number closest to the pen mark is the circumference of the ring in millimeters.