2561 Glasses by Lindberg. Color: 10, 20, 25, 30, 35, 60, 70, 75, 77, 80, 85, 90, 95, GT, U12, U13, U16, U9, Size: 51, 53, 55, Bridge: 22, Temple Length: 145, Temple Design: Basic. The LINDBERG 2561 from the Spirit Titanium Collection boasts a subtle square lens design with softly rounded edges that flatter a variety of face shapes. Crafted from super-light titanium, the frame feels solid yet unobtrusive. A sleek, sculpted bridge adds understated character. Ideal for professionals seeking subtle sophistication and comfort.