描述
- Each ring is approximately 7mm outside diameter and 4mm inside diameter
- Rubber hinged rings that provide flexible tension for a secure and comfortable fit
- Simply slip a frame grip up each bow over the hinges: The resulting flexible tension will give a tight, comfortable fit for most glasses
- Measure your bows to make sure that a 4mm ring will fit
- Made in the USA
Optic Shop Eyeglass Frame Grips, Hinge Tighteners - 4mm Inside Diameter, 48 Rings in Each Package
