COMPLETE & VERSATILE: The 19-piece network tool kit is designed for professionals and amateurs, facilitating the installation, maintenance and troubleshooting of computer networks, Ethernet and telephone cabling. ESSENTIAL TOOLS: This kit includes a crimper, a cable stripper, a flathead screwdriver, a pliers wire stripper and network cable tester compatible with RJ-11, RJ-12 and RJ-45 connectors for versatile use. RELIABLE CABLE TESTER: Compatible with CAT5, CAT5e, 10/100BaseT, TIA-568A/568B and AT T 258-A. Detects bad connections, shorts and opens. 9 LEDs make it easy to check connections, and the auto-scan function allows for quick testing (battery not included). CONVENIENT & PORTABLE STORAGE: Zippered nylon storage pouch keeps tools safe, clean and organized. Compact and practical for easy storage and easy transport. QUALITY & RELIABILITY: High-quality steel tools are chrome-plated to resist corrosion, and non-slip handles ensure added comfort.