Vestil LED Loading Dock Guide Light SetsLED Loading Dock Guide Light Set, series DGL LED Y, provides drivers with visual target to align a truck trailer with the dock door. The LED guide light is especially useful in low light environments like enclosed dock bays, but it's bright enough to improve visibility of the dock opening in daylight. The light may also be installed indoors to mark door openings for forklift operators and other warehouse personnel. It's a versatile safety product, at