Strong Magnet:GM-602 1) Used For:siren,driver unit,speaker,horn speaker 2) Stable,Ferromagnetic 3) ODM/OEM Service 4) Rohs Detailed Parameter of GM-602:1) China Direct Manufacturer2) RoHS3) Material:ferrite, Y25 / Y30 / Y354) Item Dimensions:60*32*8mm /10mm/12mm/15mm5) Used For:siren,driver unit,speaker,horn speaker Product Characteristics:1) with high quality at competitive price2) with ...