Accurate sizes,metal measuring stick comes with size (for ), 1-12 clear scale,accurate measuring size. Superior , sizer mandrel is stainless steel,lightweight, and portable. fine workmanship with that will not hurt your hands. Measure size easily,this sizer measuring tool use with finger gauge you can quickly figuring out the sizes of rings and fingers., then give your husband/ wife, girlfriend / boyfriend a correct size as a surprise . Essential tools for jewelry making,the sizer is perfect for jewelry making to measure sizes of wedding rings, class rings and other wide rings. Ergonomic design,the measuring stick adpot with ergonomic design ,it is easy to hold for a long for time.