ear dust cap plug for phone 1. Material: brass or steel 2. ... *15, 7*14mm 3. we can product your design ear dust cap plug for phone1. Processing machine: CNC lathe2. Material: brass ... or steel3. Surfacing: Plated 4. Application: iphone, ipad, all phone, MP3, MP4, MP5 ect.5. Finish: Nickel ... , by express (DHL, FEDEX, UPS, TNT and so on) crystal anti dust plug