... used for FIBER PATCHCORD Singlemode and Multimode low insertion loss ST FIBER OPTIC ConnectorSHENZHEN KSTCABLE CO.,LTD (manufacture)ISO9002 and ... quality, strong intensity Japan Seiko zirconia ceramic Insert CoreExternal Parts: A variety of models for choose, Japan Seiko, AMP, Molex, ... DomesticCable: Corning, A variety of sizes for choose(Φ0.9mm.Φ2.0mm ,Φ3 ...