Features: Ensure precise Rings sizing with the Rings Sizer Measuring Tool, suitable for both men and women to facilitate customs Rings creation and purchase decisions. Crafted from lightweight plastic, this tool offers high precisions with a measurement error of less than 0.1mm, making it easy to carry and use. Suitable for Rings designers, jewelers, and individual consumers who need accurate Rings size measurements for commercial purposes. Perfect for customs Rings crafting, assisting customers in jewelry stores to find the right fit, and documenting Rings sizes for collections. This comprehensive kit includes a finger Rings measurer, Rings sizers, a Rings making kit, and a Rings mandrel, providing all need for accurate and efficient Rings sizing. Specifications: Component:Plastic Type:3Pcs/4Pcs/6Pcs/7Pcs Size:Approx.26cm/10.24inch Package Includes: 4 Optional Package: Package 1 Include:3Pcs Rings Sizer Measuring Tool Package 2 Include:4Pcs Rings Sizer Measuring Tool Package 3 Include:6Pcs Rings Sizer Measuring Tool Package 4 Include:7Pcs Rings Sizer Measuring Tool note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.