Product Description Pass Through rj45 crimp tool with Premium Quality 20PCS RJ45 Cat6 Pass Through Connectors, 20 Connector Covers, 1 Wire Stripper and 1 Network Cable Tester(9V battery Not Included) Fantastic Purchase If you have any questions about cat6 crimper tool kit, please reach out to us so we are able to assist you.We do our best to reply to emails within 12 hours.Professional Must-have RJ45 crimper RJ45 Crimping Tool provides 360 degrees of connector support during the crimping cycle, as it cuts, strips and terminates RJ45 extended copper wires with a precision die head.Long-lasting durability and Easy of use Hardened Steel Contruction is durable and delivers more torque during the crimping cycle, die head assembly provides 360 degrees of connector support for terminating modular plugs on stranded or solid cable LAN/Network Cable Tester 1.Test RJ11/RJ12/RJ45 cables.2.Test correspondingly double-twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and Ground.3.Can judge wrong connection, short circuit and open circuit.4.Put cables into both main tester and remote tester.5.The lights of the main tester will turn on sequentially from 1 to G.6.Detachable remote tester, test remote cable up to 1000ft.in length.Packing included 1 x RJ45 Pass Through Crimp Tool 1 x Network Wire Stripper 1 x Network Cable Tester( 9V Battery Not Included) 20 x RJ45 CAT5 CAT6 Pass-Thru Connectors 20 x RJ45 Boots Covers