81 Series Auxiliary 4 in. Round LED Spot Light, Chrome, 6 Diode, 500 Lumen, Stripped End, 24V. Manufactured under design patent# US D572,856 S. Rugged all purpose work lamp. Focused spot light pattern. LED light is whiter and brighter than comparable incandescent lamps. LEDs have no filament, therefore are extremely resistant to shock and vibration. Includes stainless steel mounting hardware. Mounts on one 5/16"-18 stud.