finger sizer,hold rings together,ring sizes measuring tool,adjuster ring sizer adjuster,jewelry measure ring size tool Magnified Glass: There is a built-in magnified glass at the buckle, which is specially designed for you to have an easy and quickly reading of the scale. A very thoughtful design especially for the elderly. Clear and Accurate: 1-17 US size, suitable for finger size from 1 to 17. The printing is accurate and clear, enabling you to measure the right size of the finger and make your relationship with loved ones more intimate. Durable Printing: The material of this ring sizer measuring tool is upgraded so it has the perfect level of flexibility while not being too stiff. This ensures that you have a better experience. The printing will not come off easily, more wearable for long term use. How to Use: This ring works as a belt. Simply push the end through the buckle to form a ring shape. Then slip it onto your finger and adjust for a comfortable fit. Simply read off the size through the magnified glass. Note: Check that it slips over the joints of the finger without much difficulty. If you have any question regarding the product, please don't hesitate to contact us.