Mens Semi-Rimless Glasses Frames Prescription Eyeglasses 55-18-140 metal frame plastic lens non-polarized Lens width: 55 millimeters Lens height: 32.7 millimeters Bridge: 18 millimeters Arm: 140 millimeters SIZE: Eye: 55 MM X Bridge:18 MM X Arm Length:140 MM Vertical B: 32.7 MM Superior Material: Stainless Steel Rx-Compatible: Specially tooled lens grooves of this frame allow the user to replace stock lenses with prescription lenses from his or her optician Accessories: Hard carrying case and micro cleaning cloth included Color: Black