Ebest - 8 in 1 Repair Network Tool Set Cable Tester: For RJ-11, RJ-12, RJ-45, CAT5, CAT5e, 10/100BaseT, TIA-568A/568B, AT&T 258-A; 1, 2, 3, 4, 5, 6, 7, 8 and ground 9 LED lights; Indicate wiring connection on both remote and master unit. Judges wrong connection, short circuit and open circuit. Auto scanning function for rapid testing. Powered by one 9V battery (not included). Punch-down Tool: Terminates conductors on 110 blocks with cable stripping capability. Universal Cable Stripper/Cutter: Multi-function Stripper/Cutter for Network UTP/STP wire or cable from 3.2mm to 9mm. High quality; Correctly clear network cable without damaging vital components. 3 way Crimping Tool: Durable Crimping/Cutting/Stripping 3 in 1 Tool; Good for RJ-45, RJ-11 & RJ-12 connectors. Suitable for Cat5 and Cat5e cable with 8P8C, 6P6C and 4P4C plugs; Heavy-Duty; Rugged Carbon Hardened Steel Construction. Brand New DIY Network Cable Tool Bundle: Master your own wires! With this brand new DIY network tool bundle for phone and computer cables, you'll have everything you need to run, cut, and crimp RJ45 and RJ11/12 patch cords. It is perfect for making RJ45 or RJ11 patch cords.