Handy Sizer - All you need to do is to wrap it as a ring on your finger, then, adjust it to give a comfortable finger fit & When your desired fit is achieved, read off size indicated by arrow. After the inner diameter is measured it can be removed at any time just like a ring Instructions Manual- A Detail Guide Chart will help you to find your Perfect Ring Size for Wedding, Ceremony, Engagement etc. Right Size Measurement - Ring Gauge UK Size is a A-Z Ring Measurement Tool, suitable to Check All Sizes Clear Markings - Ring Sizer and Guide Chart are easy to understand & Use to get your right size without getting any expert assistance and getting confused For your Special Day- We understand that Rings are made for Special Day, and we make sure that you get the perfect size to make it a perfect Day for you