High quality and useful crimping tool. Provides high and stability for your wiring connections The textured handle provides a non- grip for enhanced control and comfort. The crimping tool is made of professional-grade heavy-duty steel. It is very durable. The enlarged surface area on the contact driver provides a completely uniform crimping force for fast and accurate crimping. Test your cables to find problematic short circuits, open circuits, -pairs, and other wiring incidents, so as to keep your network running smoothly. Used to test your self-made Ethernet to that they are in normal working condition before connecting to your device. Test twisted pair straight crossover cable: RJ45, RJ11 telephone line and network cable. [Wide range of applications] Crimp is used for RJ11/RJ12/CAT5/CAT6/Cat5E modular plug connectors. Designed for telephone line, alarm line, computer line, intercom line, speaker line and thermostat wiring. Scanning function-find working line (network cable, telephone line, coaxial cable, buried cable or even behind wall cable) [Easy to carry ] Professional zipper nylon bags are suitable for full packaging. Convenient to carry and store network maintenance tools and accessories. Enough space for network repair tools. Material:Plastic + Metal colour:Blue Package Contents: 1 x Blue Network Cable Tester 1 x Network Crimper 1 x Mini Stripping plier 1 x Screwdriver 1 x Straight screwdriver 2 x Stripping Knife 1 x Punch-down tool 50 x CAT5e Pass Through Connectors 10 x CAT6 Pass Through Connectors 60 x RJ45 Cat5e Cat6 protection covers Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.