Grommet

Sealed, 4? round stop, turn, and tail light may be used on both curbside and roadside of vehicle or trailer.Polycarbonate lens is welded to housing to form single unit. 426, 427, and 429 lights require mounting grommet and 3-wire plug to complete...

Round GrommetAllows 2" diameter round sealed units to be flush mounted in 2-5/16" hole Provides additional shock absorption to extend lamp life