Piaa Light ing 510 Series 4 Inch ATP Halogen Light Kit 5106 510 ATP delivers a beam with the perfect combination of height, width, and distance; 510 ATP delivers a beam with the perfect combination of height, width, and distance; Black powder coated stamped steel housing with tempered quartz glass lens; The compact and ultra thin housing design make it a great choice for OEM and aftermarket bumpers; Comes with stylish PIAA black mesh grill; 3-15/16 Dia. X 2-7/16 Deep Piaa Lighting PIAA 510 Series 4 Inch ATP Halogen Single Light - 5106 05106 Offroad Racing, Fog & Driving Lights