Porsche Men's Eyeglasses P'8157 P8157 B Matte Silver Titanium Retangular Optical Frames 52mm plastic lens non-polarized Lens width: 52 millimeters Bridge: 19 millimeters Arm: 140 millimeters Model: P'8157 Style: Fashion Rectangular Size: Lens-52 Bridge-19 Temple-140mm Gender: Men's RX Able