... connection *Easy for operation *Timely delivery Fiber Optic Connector Specification:Fiber Optic ConnectorProfessional manfuacturer of connector, adapter, attenautor, ... plate 1730, 2311, 2312, P20 ), etc4Material main core and cavity insertDIN2312, 2738, 2344, 718, S136, ... NAK80, SKD61, H13, etc5Hardness of steel46~56HRC6Cavity No.Single-cavity, Multi-cavity7A surface requestEDM & High Polish8GateCold ...