Ray-Ban RX3929V Optical Frame is a rimless metal frame finished in silver. It’s built for prescription use and everyday wear. Key attributes: Silver | Metal | Compatible with prescription lenses | Supports progressive and bifocal lenses | Anti-reflective & anti-scratch lens options | Prescription-ready frame | Available in two sizes: 52-20-145 and 54-20-145 | Rimless | Dimensions & fit: Lens width: 52 mm | Lens width: 54 mm | Bridge width: 20 mm | Temple length: 145 mm | Lens height: 42 mm | Composition & care: Metal