... Good repeatability,exchange Extremely strong, 0.9mm tight buffer fiber strengthened by aramid yarn and protected by PU outer ... jacket. 1~6 fiber cores for your choice, suitable for field using. Application ... MAN, WAN, Test &MeasurementMilitary industryMedical Parameter:Fiber Optic Patch CordParameter & Specification Mode Single-mode ,Multi-mode Type FC,LC,SC,ST,MU,MTRJ,MPO ...