Sea-Dog Horn Button Black. Mounts in 1/2" diameter hole and is wired with 1/4" QD terminals. This horn switch comes with either a standard black button or bright red button to make it easily identifiable in emergency situations. Maximum panel thickness: 5/16. Constructed of nylon/phenolic and chrome plated brass. Features of Sea-Dog Horn Button Button Color: Black Constructed of Nylon/Phenolic & Chrome Plated Brass Amperage: 15 Panel-mounted For operating fog horns Package Contents: Sea-Dog Horn Button Sea-Dog 420416-1: Horn Button Black