1、Finger Circumference Measurement: Used to measure the finger circumference to determine the size of the ring suitable for wearing, practical for use. 2、Clear Scale: The printed scale is accurate and clear, easy to read and use. Flexible, conform to ergonomic design, fit well with your finger and easy to operate. 3、Safe To Use: No peculiar smell, smooth surface, will not hurt fingers, can be used with confidence. Suitable for wedding, birthday ring customization. 4、Applicable People: 10pcs of ring sizer are are available for use, enough to meet your use needs, suitable for jewelry makers and jewelry processing workers. 5、Plastic Material: Finger sizer is made of high quality plastic material, safe and eco friendly, wear resistant and skin friendly, reusable and durable for use. Item Type: Ring Sizer Material: Plastic Size: Approx. 113mm / 4.4in Color: White Purpose: Ring finger circumference measuring ruler, used to measure the finger circumference to determine the size of the ring suitable for wearing 10 x Ring Sizer