MUDDER Stainless Steel Ring Gauges Finger Sizer Measuring Ring Tool, Size 1-13 with Half Size, 27 Pcs Ring Sizer has 27 Sizes - Each ring is laser engraved with USA Sizes 1-13 including 1/2 half size increments. This measures child fingers to largest fingers Easy to Separate - The sizes are stamped on the stem of each ring and come on a flexible cable with a screw connection for you to open if needed Made of Stainless Iron Material -Durable and ensures long term application without rusting Package Includes: 1 x Ring Sizer Set in US Size