4-Piece Network Tool Kit 4 Tool Network Kit Composed of LAN Tester, LSA punch down tool, Crimping Tool and Cut and Stripping tool Multi-item network tool kit • Crimping tool for modular 8P8C plugs • LSA punch-down tool • Stripper tool • Cable tester for RJ45, RJ12 and RJ11 • Practical storage bag, zipped 9V battery required (not included) • Checks lines for short circuit, wire reversal and cable defect • Connector 1: RJ45 • Connector 2: RJ11 • Connector 3: RJ12.