Ring Sizer Mandrel and Ring Sizer Tool

For accurate results when you are measuring your ring slide the ring down the mandrel till it is as tight as possible. For accurate results when you are measuring your finger, select the plastic sizer that fits closely over your knuckle. if you wish to confirm the size, then slide the sizer over the mandrel as tight as it can go, and that will confirm your size. The Rosenthal Collection Plastic Ring Mandrel and Sizer exclusively sold by Five Star Savings, is awesome for determining the size of a ring or your finger. for whatever your need it works great. Rosenthal Collection is a registered trademark protected by US Trademark Law.