Unshielded Cat6 cables supporting applications up to 5G Ethernet. ANSI/TIA-568-C.2, ISO/IEC 11801 and EN50173-1 Cat6 compliant.- Length: 305m- Outer Diameter: 5.9mm- Cat6- 4 pair- Grey- Plasticised coating on boxes gives moisture resistance- Genuine Reelex II packaging for easier pulling in- 25 year Ultima system warranty