All the cables come with a standard UPC (Ultra Physical Contact) polish and we also have an option for APC (Angle Physical Contact) polish on LC, SC, and FC connectors. They are perfect for patching out from fiber optic enclosures to SPF transceivers, network switches, or media converters. Glass and premium connectors with ceramic ferrules for increased durability and accuracy. These fiber optic patch cables offer premium precision, making them a popular choice for critical installations. They also feature a 2mm plenum (OFNP) rated jacket which make them more versatile and usable in all indoor environments versus regular riser rated (ONFR) or standard PVC cables which are commonly seen in most imported stock patch cables. Each cable includes a label around the jacket which has an individual serial number and part number for easy identification and traceability. The cables are sealed in individual bags and the test results are included with each individual cable.