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Unique Hinge Tighteners (Frame Grips) by Pro-Optics: Rubber hinge rings provide flexible tension for a secure and comfortable fit. To use, simply slip a frame grip over the eyeglass hinges. Pins and screws in eyeglass hinges cannot become loose or fall out. UPC: 075063010105 MSRP: $2.99 each MADE IN THE USA
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🇺🇸 Ship from USA · On Agora since 2025
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