PRICES MAY VARY. How to measure size? You can print out our size chart image to measure and compare, or use a measuring tape to wrap around your finger to calculate the circumference to determine if the ring is suitable for your wearing size. Shopping Tips! The cable ring is suitable for finger circumference between 70mm-90mm. Based on our wear testing, the best size for wearing this ring is for people with a circumference of 80mm. Those with a circumference of 90mm may feel tightness, while…