?Professional RJ45 Crimp Tool Set?Packed with 1 RJ45 crimp tool pass through with 20PCS RJ45 Cat6 Pass Through Connectors, 20PCS Covers,1 Mini Punch Down Cutter, 1 Mini Screwdriver , 1 Network Cable Tester (9V Battery not included) ?ALL-IN-ONE Cat6 Crimping Tool?Higher performance RJ45 crimping tool, lets you cut, strip and crimp Ethernet and telephone cable Compatible with all RJ45 CAT6 Crimping Tool connectors (including shielded), RJ45 CAT5E connectors, and RJ11/12 connectors (not AMP)