Shop Nilight 4×6 Inch LED Headlights 60W DOT Approved Hi/Lo Sealed Beam Rectangular Headlight Replacement H4651 H4652 H4656 H4666 H6545 Compatible with Kenworth Peterbil Ford Freightliner Silver 4PCS in high quality. The optically designed lenses provide 100% control of light, refracting it through the angles we designed, controlling the output for better beam clarity and refraction angles without dazzling oncoming traffic.