The 3 In 1 Modular Crimplin Tool Network Cable Tester Ethernet Punch Down Tool Set + 28 RJ45 connectors versatile and efficient tools designed for network cable installation and testing. This multipurpose tool kit, produced by brands pluscom and oubaotool, includes all the necessary components to crimp, strip, and test Ethernet cables with ease. The set includes a variety of units to cater to different networking needs, making it a valuable addition to any professional's toolkit. As seen in pictures cable tester never used.