Low Loss: The to LC Adapter has a sleeve with Zirconia ceramics, provides high dimensional accuracy, reduces insertion loss, and prevents ESD damage Burning. And the Insertion loss of our SC to LC Adapter is less than or equal to 0.3 dB.Durable Adapter: This fiber optic adaptor can be reused, high precision and good compatibility.Compact Design: Our fiber connector has mini size and lightweight.Widely Application: Compatible with Visual fault Locator (VFL), Optical Power Meter. Apply to Telecommunications-CATV Engineering and Maintenance, Optic network Maintenance, Optical Measurement drive engineering, and other fiber-optic projects. There are single-mode multimode, PC, and .The LC- (Male) Singlemode Fiber Adapter complies with IEC 61754-4, IEC 60784-14, and TIA 604-3 and conform to RoHS standards.colour:BlueMaterial:Plastic + ceramicPackage Contents:4 x Male to LC Female Hybrid Optical Fiber Convertor Adapter4 x LC Female to SC Male Hybrid Flange AdapterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.