Features SCOPE OF APPLICATION --- Suitable for Cat5, Cat5e, and Cat6 cables with 8P8C plugs, as well as any other electrical wire work. Also extremely suitable for RJ45, RJ11, and RJ12 cable and telephone installation. PROFESSIONAL WORK --- Professional crimping gives 6P, 8P network crystal heads an attractive pressed appearance while guaranteeing good connection. MINI DESIGN --- The small design is 1/3 the weight and 2/3 the size of conventional pliers, this pliers can be used with just one hand. INTEGRATED CRIMPING TOOL --- Combines the crimping, peeling, and cutting processes into one tool. You may accomplish the installation task like an expert even if you are just starting off. WIDELY USED --- Designed for scanning functions of telephone lines, alarm lines, computer lines, intercom lines, speaker lines, and thermostat wiring; Identify work lines (network lines, telephone lines, coaxial cables, buried cables) Specification: Item Type: RJ45 Crimping Tool Kit Material: Alloy Steel Battery: 9V battery x 1 (shipped without battery) Suitable for 8P 6P crystal head pressing, 8P through hole crystal head pressing, thread cutting and stripping function Function: Allows users to quickly and easily install computers and network adapters, repair network cables, and test the network. Pressing and cutting the thread simultaneously, convenient and time saving. Package List:1 x Crimping Pliers  1 x Network Cable Tester 1 x Manual   1 x Replacement Accessory 50 x 8P8C Crystal Head  50 x Crystal Head Protective Cover  1 x Yellow Wire Stripper  1 x Cutting Pliers   Package List 1 x Crimping Pliers 1 x Network Cable Tester 1 x Manual 1 x Replacement Accessory 50 x 8P8C Crystal Head 50 x Crystal Head Protective Cover 1 x Yellow Wire Stripper 1 x Cutting Pliers