Feature: 1. Easy To Use: This crimper has a locking button design that works well to crimp the rj45 straight through connector while cutting off the excess wire. 2. Multifunctional: This connector can be used to test rj45 shielded connectors and unshielded connectors, rj11 connectors, and can be used to test the line status (e.g., open, short, crossover, etc.) of network wiring and telephone line cables, displaying the connection of 1, 2, 3, 4, 5, 6, 7, 8 and G of the 8P8C connection at the end of twisted pair cables, and clearly indicating to the user if there are any faulty circuits present. 3. 50 Crystal Protective Covers: This adapter comes with 50 crystal head protective covers to protect these connectors from dust and water. 4. Mini Wire Stripper and Cutter: This connector comes with a mini wire stripper and cutters to quickly strip the outer jacket of network cables and neatly cut the wires. 5. Wide Crimping Range: This crimper has a wide crimping range for cat5 cat5e cat6 cat6A cables, large crimp rj45 shielded and unshielded straight through and standard connectors. Specification: Item Type: Crimp Tool Material: Carbon Steel, ABS Tester Battery: 1 x 9V 6F22 Dry Battery ( Shipped Without Battery ) Product Feature: 1. The network clamp is made of excellent steel, drop proof and durable, wear resistant, high hardness. 2. Accurate mold mouth and accurate suppression ensure the quality of suppression while presenting a beautiful suppression appearance. 3. Professional crimping 8P category 5, super category 5 and category 6 crystal head, with perforated design, make it simple and fast. 4. The handle applies non slip design, safe and comfortable operation, in line with ergonomics. 5. Locking design can save space and ensure safety. Applicable Scope: Crimping 8P Cat5 Cat5e Cat6 Cat6A crystal head and its regular crystal head.. Package List: 1 x RJ45 Crimping Plier50 x Crystal Head50 x Crystal Head Protective Cover1 x Cable Tester1 x Cutter1 x Wire Stripper