Features 1、INCLUDED TOOLS: Network cable crimping test kit, including tool pliers, tester, network crystal heads, 9V battery, butt joint, and stripper, convenient and practical. 2、STEEL CRIMPER: The head of the network cable crimper is made of excellent steel, with high hardness, suitable for various wire crimping without damage. 3、STRIPPING CUTTER: The wire stripper cutter adopts 110SK manganese steel blade, incisive and wear resistant, with accurate wire stripping and not damaging the core. 4、APPLICABLE CABLE: Suitable for RJ45, RJ11, and RJ12 punch connectors, for CAT5 and CAT5E cable crimping with 4P4C, 8P8C, and 6P6C punch connectors. 5、MULTIPLE USAGES: Can be used to test telephone lines, verify short circuits, and locate open circuits, suitable for alarm, computer, interphones, speaker, and thermostat cables. Specification Item Type: Network Cable Crimper Material: Plastic, Tool Steel, Canvas Bag, 110SK Manganese Steel Blade Battery Type: 1 x 9V Matching Battery (60mah) (including) Application: Used for cable testing, network crystal head crimping, wire stripping, etc. Package List 1 x Network Tool Pliers 1 x Tester 50 x Network Crystal Heads 1 x 9V Battery 10 x Crystal Protection Cover 1 x Straight Butt Joint 1 x Stripping Cutter 1 x User Manual