Amber Fender Marker Light for Sidecar

One dual filament amber marker light. Base is 3-1/4" in diameter. Has chrome ring holding on clear lens. Bulb is a 1157 dual filament amber bulb. Can be used as a marker light and turn signal. Will need to drill a 3/4'' diameter hole in fender to fit light socket base thru. Light socket extends 1-1/4" into wheel well. Light grounds thru base.