Don't know your ring size? Find it easily with this adjustable multi-sizer gauge. It's a handy way to find your size if you're unable to visit your local jeweler. This plastic finger sizer measures U.S. sizes from 1 to 17 in half-size increments. It includes instructions for accurate sizing.
Muti-size plastic ring sizing tool
Measures U.S. sizes from 1-17 in half-size increments