Rathburn Metal Ring Sizer Stretcher Enlarger Jewelry Sizing Tool Wedding BandsRCL-TJ9770A
An economical way to stretch rings that are not set with gemstones. Tapping the tapered insert spreads the multi-leaf mandrel and stretches the ring. Accommodates rings size 7-1/2 or larger.
please note: Important: This tool is not suitable for use on stone-set rings.