This image shows a portable multi-piece Network Tool Kit, featuring an Ethernet crimping tool, a LAN cable tester, and RJ45 modular connectors. [1, 2, 3]
Key Contents: Includes a green-handled cable crimper, a white punch-down tool, spare RJ45 plastic connectors in a clear storage box, and a cable stripper/cutter.
Primary Use: Designed for cutting, stripping, crimping, and testing network and telephone cables (Cat5, Cat5e, Cat6, RJ11).
Portability: Everything is organized inside a compact black zippered canvas case