Features: 1.Practical Tool: Wire stripper modular crimp connector installation tool for voice and data applications with straight through RJ45 connector plugs. 2.Eliminates Accidental Contact: Trim flush with the end face of the connector, eliminating accidental contact between conductors. 3.Applications: RJ45 crimper for STP/UTP twisted pair data cables, crimping 4, 6 and 8 position modular connectors (RJ11/RJ12 standard and RJ45 straight through). 4.Fully Terminated: Full cycle ratchet mechanism ensures connectors are fully terminated, 8 to 22 AWG flat or round. 5.With Replacement Blades: Wire stripper is made of alloy carbon steel, high hardness for long life, with replacement blades. specification:Item Type: Ratcheting Modular Data Cable Crimper Material: Alloy Carbon Steel Scope of Application: Network 8P Crystal Head, Telephone 6P Crystal Head, Dovetail Clip Pressing PackageList:1 x RatchetingModularDataCableCrimper 2 x Replacement Blades 1 x Storage Box