Descriptio n: This network maintenance kit combines 11 tools, not only to solve the scattered problems of the tool, the tool bag design is easy to carry, and ensure efficient work. Features: Circuit State Test Function: Test if the circuit is working properly, or if there is a open / short circuit. This instrument is designed to identify and trace wires or cables without damaging the insulation; you can also use it in checking for short circuit and locating open circuit and so on. In addition, it can also be used to identify some states of telephone. Maintenance tools for ease of use: The 11-in-1 tool kit includes pliers, network cable testers, wire stripping knives, flat / Phillips screwdrivers, knife strippers, punch down tools and RJ45 connectors. Perfect project: Designed for testing telephone lines, alarm cables, computer cables, speaker lines and wire intercom functions. Hand-held portable tool for easy on-the-go use: The kit is secured with a convenient bag tool to prevent product damage. You can use it at home, office, lab, dormitory, repair shop and daily life. Cable Tester for RJ11, RJ45 .etc. Operate with one 9V battery (Not Included) . Specifications: Bag Color: Green Bag Size: Approx. 265 x 150 x 60mm / 10.4 x 5.9 x 2.4in Package Weight: 836g Packing List: 1 * Crimping Pliers 1 * 468 Tester 1 * 58 / 59 Stripping Knife 1 * KD-1 Thread Knife 1 * Finger Buckle Type 501 Stripping Knife 1 * Mini Yellow Knife 1 * 3X375 Phillips Screwdriver 1 * 3x375S lotted Screwdriver 10 * 8P8C Crystal Head 1 * 10 Compartment Storage Box 1 * Toolkit Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .