Known worldwide as the best headband magnifier on the market today. Lenses are made of the highest quality optical glass. Six magnifications are available with interchangeable lenses. Headband is leather lined for years of comfort. High impact plastic visor. Special Optiloupe attachment (ELP-500.01) also available for extra power. Style: #7. Magnification: 2-3/4X. Focal Range: 6".