Horn Replacement Kit, Air, Length (In.) 3, Width (In.) 3, Height (In.) 1/2, Dia. (In.) 3, Material Rubber, Finish Unfinished, Decibels (dB) 120 @ 1 meter, For Use With Cars, Trucks, Vans, For Use On Fiberglass, Metal, Plastic, Rubber, Includes (2) Membranes, (2) Covers, (2) Gaskets, (6) Screws