Plastic Ring Sizer Set
Then this is a great economical alternative. Plus it won't add any weight to your tool box. A complete set! Unlike the adjustable single sizer there is no room for error. It either fits or doesn't so you and your students will make the right size rings.
TL123  Plastic Ring Sizer Set *C*

Stock Status: Out of Stock
Price: $2.25  $0.80