| Diaphragm for battery horn. Stainless SteelAdditional Information This is the round, flat diaphragm that vibrates and makes the horn sound. Mounts inside the horn. Originally made of steel which rusted out, This is made of long lasting, rust proof, stainless steel which eliminates the usual pin hole rusting Questions and Answers To ask a question about this item please press and fill out the form. Customers Who Bought This Item Also Bought | |