RJ45/RJ11/RJ12 network cable crimping tool with blue plastic handles,3-in-1 Functionality: Designed for cutting, stripping, and crimping network and telephone cables.Connector Compatibility: Supports 8P8C (RJ45), 6P6C/6P4C (RJ11/RJ12), and 4P4C modular plugs.Design: Durable steel frame construction with ergonomic, non-slip blue rubberized handle grips for comfortable operation.