Multisizer You may have a beautiful selection of rings, but if your customer is unsure about their finger size, you will lose sales! Give your customer the opportunity to accurately measure their finger size, and place orders immediately. The Multisizer Ring Sizer is the Industry Standard, and the most accurate and cost effective self finger sizing tool available. “Precision finger sizer with Full & Half sizes.” Sizes: 1 ï¿½ 17 including half sizes. pkg of 10 Please contact us for large quantity orders.