... DIAMTER OF HORN MO We have one football air horn (HAND PUMP AIR HORN) we think it will interst you . ... ECOFRIENDLY ,INSTRUCTION OF HAND PUMP AIR HORN1. install horn by screwing it on air pump2. spring back handlebar by ... pcs , we could make product according to your brand design free ,otherwise please add 200 USD to your MOQ : ... ZL2006 30166615.8,ZL2005 20116218X cheering horn,hand tank horn ,air horn