9 in 1 NETWORK MAINTENANCE TOOLS: SGILE 9-in-1 network maintenance tools suit the essential need, which includes crimping pliers, network tester, 20 pcs RJ45 crystal connectors, 20 pcs connectors covers, punch down tool, RJ45 coupler, 3-way coupler, wire stripping knife, 100 pieces of nylon cable ties. MULTI-FUNCTIONAL & PROFESSIONAL TOOLS for DIFFERENT PURPOSES: Including 9 essential professional tools, SGILE Network Tool Repair Kit is suitable for you to test your network and for your computer maintenance and repaired, which satisfies the daily need.