Sightline Computer Reading Glasses 6008 feature the patented SightLine multifocal lens in a basic metal frame. Rectangular shape with spring hinges, these glasses are made with stainless steel eyewire and a spring hinge for comfort. They should last for years and come with a six month replacement warranty. The frame on these reading glasses are optical quality - not cheap drug store reader quality. This new model now also features anti-reflective coated lenses to aid in glare reduction. You will not find a better value in reading glasses than SightLine 6008. Satisfaction guaranteed - free shipping both ways.