This foam gasket goes between the cab of a truck and the torpedo style top of the cab light. it is designed to fit under Grand Generals 92500 series and 93500 series cab lights. It is torpedo in shape and it is 11-7/8" long, in the middle it is 2-7/8" wide, and it is 3/8" thick. It has 3 screw screw holes that are located at 1-1/4" from the end, 3-1/8" and 10-3/4" also from the same end. They are new, with bulk packaging.