Ongaro Mini Drop - In Horn... toot your horn to let others know you"re near! Sound this Horn when you hit the high seas with friends and family! Made of durable stainless steel, this Horn will last for years on your boat! Will NOT rust! Pre-wired for easy electronic connections. Draws a maximum of 3 amps. Fits existing hole patterns. Dimensions: 3 x 3 1/4 x 1 3/4". Grill Dimensions: 4 7/8 x 2 3/8, 4" hole center. Get yours today! Ongaro Mini Dual Drop-In Horn