Spring Hinges. Length between Lens: 18mm. 15 Lens Strengths.
Mens Classic Metal Semi Rimless Reading Glasses/Smart Designed Spring Hinge Arms
KoKoBin Half Frame Reading Glasses Spring Hinges for Men Women Slim Half Moon Lens Readers Metal Semi Rimless Eyewear(Gray，+1.5)
KoKoBin Half Frame Reading Glasses Spring Hinges for Men Women Slim Half Moon Lens Readers Metal Semi Rimless Eyewear(Black，+2.5)
KoKoBin Half Frame Reading Glasses Spring Hinges for Men Women Slim Half Moon Lens Readers Metal Semi Rimless Eyewear(Gray，+2.5)
KoKoBin Half Frame Reading Glasses Spring Hinges for Men Women Slim Half Moon Lens Readers Metal Semi Rimless eyewear (Blue,2.0)
Half Frame Reading Glasses Spring Hinges for Men Women Slim Half Moon Lens Readers Metal Semi Rimless Eyewear(Gold，+2.0)
