Heles Unisex Classic 100% Pure Tianium Full Rim Optical Eyeglasses Frame, 51/18/140 titanium frame glass lens non-polarized Lens width: 51 millimeters Lens height: 40 millimeters Bridge: 18 millimeters Arm: 140 millimeters 100% Pure Titanium, very light in weight Full Rim Gender: Unisex Size: Lens/Bridge/Temple:51-18-140 millimeters weight: 12 g , Width: 140 millimeters(5 millimeters adjustable)