The Vintage US Standard HR Metal Jewelers Finger Ring Sizer 0 - 13 with ½ Sizes is a timeless tool for measuring and sizing rings. Made of durable metal and featuring a classic silver color, this ring sizer is suitable for professional jewelers and hobbyists alike. With a convenient range of sizes from 0 to 13, including half sizes, this vintage piece from US Standard is a must-have for anyone working with rings and jewelry.