Rugged, scratch-resistant safety glasses reduce eye fatigue and provide full-lens magnification for detailed, close-up gunsmithing work. Made from shatterproof polycarbonate with a contoured frame for comfort and side shields for added protection. Full-power and in-focus at 10" for checkering, engraving, working with small parts, and looking in nooks and crannies. Also blocks 100% of harmful UVA and UVB rays. Meets ANSI Z87.1+ requirements. One size fits most. Mfg: Andrews Sales SPECS: Clear polycarbonate. Lenses approximately 5½" (14cm) wide, x 2" (5.1cm) high, with 4¾" (12cm) long shank. Available magnifications: 1.25x, 2x, and 3x.