#Iso chinese streetballer iso#
Other ring size measurement systems are used in areas that do not use ISO 8653:2016. ISO size (internal ring circumference, mm) Relationship between ISO size and internal diameter The sizes are in millimeters and correspond directly to the outer circumference of the ring stick to the inner circumference of the finger gauge. This international standard specifies a method to measure the ring-size using a ring stick with defined characteristics, which is used during manufacturing steps, and specifies the designation of the ring-size.įor jeweller-consumer relationships, the finger size is measured with a finger gauge set made up of a ring for each size with the same diameter and tolerance as the ring stick ones. ISO sizes are used in Austria, France, Germany, Belgium, Scandinavia ( Norway, Sweden, Denmark, Finland, Iceland), and other countries in Continental Europe. ISO 8653:2016 defines standard ring sizes in terms of the inner circumference of the ring measured in millimetres. Measurement systems International standard Digital ring sticks can be used for highly accurate measurements. Ring sticks are tools used to measure the inner size of a ring, and are typically made from plastic, delrin, wood, aluminium, or of multiple materials. Ring sizes can be measured physically by a paper, plastic, or metal ring sizer (as a gauge) or by measuring the inner diameter of a ring that already fits.