Network Maintenance Tools Kit: 9-in-1 Network tool kit includes an use's Manuel (Even novices can easily learn), RJ11 RJ45 crimper, network cable tester, wire stripping knife, flat /cross screwdriver, stripping pliers knife, punch-down tool and RJ45 connectors. Multi-function network crimping Tool Kit: Ethernet Crimper Tool 8p/6p/4p, RJ45 / RJ12/11; Handle is a special material, non-slip, comfortable to use. Pressure line segment dimensions and network cable connectors match, not prone to dislocation, the connection more closely. Multi-function Network Lan Cable Tester: (Professional Specific User's Manual for this device ) To meet different network cable and telephone line testing needs; Stable performance with long service life; Split design, flexible use. Perfect design: Professional ergonomic concept, comfortable to use, easy to operate. Portable kit: The kit is safe in a convenient tool bag, which can prevent the product from damage and lose. Warranty & Supp