Sightline Computer Reading Glasses 6009 feature the patented SightLine multifocal lens in a optical quality metal frame. Rectangular shape with spring hinges, these glasses are made with stainless steel eye-wire and a spring hinge for comfort. Six month replacement warranty. Features anti-reflective coated lenses to aid in glare reduction. You will not find a better value in reading glasses than SightLine 6009. Satisfaction guaranteed - free shipping both ways.