Long reverse light screws

I have the long style reverse lights on my 69 barracuda. I need 2 of the correct screws. They are about 3 inches long P.O used sheetrock screws.
Luke

Home Depot, #10x 2' stainless sheet metal if I remember right on the length, about $1.25. I just did the ones on the my car. Get the tapered head Phillips.