1.Core Diameter: 1.0mm, 0.25mm, 0.5mm, 2 ... brand is widely usedSpecificationCore Diameter: Φ1.0mm, Φ0.25mm, Φ0.5mm,Core material: Domestic fiber optics or ... length: 0-100m)Certification: ROHS ,CEMaterial: PMMAItemDataCore Diameter Φ1.0mm, Φ0.25mm, Φ0.5mm, Φ0.75mm Outside ... /kmRefractive IndexStep IndexBend Radius 5 x core DiameterNumberal Aperture0.50Angle of incidence60°Interchangeability<0.5dBTensile ...