... mainly support for the following areas:Automobile :Air –outlet / vent,Rearview mirror,Instrument panel ,HornElectronic : Wireless receiver part, 3G/4G Modem Wireless ... cavity insertDIN2312,2738,2344,718,S136,8407,NAK80,SKD61,H13Hardness of steel46~56HRCMaterial for Slider ,Lifter and all sub insert use1 ...