?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)