This fiber optic ferrules with High Precision and Reliability, Excellent Thermal Stability, High Hardness, High Melting Point, and Long Lifetime. SC Multi-Mode PC(Chamfer) Shape with End Curve Radius Designed on Endface, OD 2.4990mm, Concentricity 4.0um, ID 0.126~0.130mm, Length 10.5mm without Flange.