Although only opened, it has not been used. Please refrain from purchasing if you are concerned, as it has been stored by an individual. There was some slight fraying on the case at the time of purchase. IWISS LAN Cable Crimping Tool Kit: Crimping Pliers (with Stripper), LAN Cable Tester, Connectors (100 pieces, Single Wire Specification, CAT6 Compatible), Storage Bag (7-piece set) Testable cables: Easily check the connection status of UTP/STP cables with RJ-45 connectors (EIA/TIA-568A/568B) and modular cables with RJ-11 connectors.