Features: Material:Ring sizer mandrel is made of metal. A long service time Useful Tools for You Choose Ring:With the ring gauge you can easy to know which size you need and can give your husband/ wife, girlfriend/boyfriend a surprise give her/him a correct size ring as a gift Measure Size Easily:Ring sizer or finger gauge made of alloy metal measures the size of your fingers for making rings. Fine-workmanship With round outside and flat inside, smooth-edges do not hurt your hands Easy to Read and Measure:There are several sizes, ring size-increments are clearly marked on each ring for full and half sizes. Excellent-Workmanship and High Quality. Durable and Does Not Rust. Specifications: Material: Metal Size:As the Picture Show Note: Please allow 1-2cm errors due to manual measurement,Please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 8 Pieces/Set Ring Sizer