Professional RJ45 Crimper Kit The kit included Pass Through ethernet crimper with a set of spare blades, 50PCS CAT6 pass through connectors RJ45, 50Pcs Strain Relief Boots, Mini Wire Stripper, Diagonal Cutter Plier, HDMI tester, Friendly Users ManualBuilt-in Pass Through Technology Crimps and trims Cat6 RJ45 pass through connectors, Significantly reduces prep work timeFull-cycle Ratchet Mechanism Full-cycle ratchet mechanism ensures complete Cat6 connector terminationAll-In-One RJ45 Crimping Tool Wire stripper, crimper, and cutter all-in-one tool for STP/UTP paired-conductor data cables. Additionally, it features a precision-engineered metal dovetail clip for secure and professional cable terminations. On-tool wiring guide helps minimize wiring errorsMulti-Function Ethernet Tool Kit Crimps 4, 6,and 8 position modular connectors (RJ11/RJ12 standard and RJ45 Pass Through); For voice and STP/UTP paired-conductor data applications with pass through RJ45 connector plugs, ideal for 26AWG - 23AWG cable. Designed for using with internet cables, telephone lines, computer cables and so onLong-Lasting for Use The rj45 pass through crimp tool is made of professional-grade heavy-duty steel, so it delivers exceptional torque without bending. This tool blade was made of high quality steel blade, Special notch for fixing the blade wrapped with a black clip and fixed with nails, ensure that the blade will not run off the track, Effectively extended whole tool service life. Replaceable cutting blades make this pass through rj45 crimper more lastingEasy to Handle Just 2/3 the size and weight of the traditional heavy duty Cat6 crimping tool, it occupies a small space in the kit and is suitable for carrying out. You can handle it with one handPhone/Network Cable Tester Using this Lan Tester let you quickly judge the condition of the network cable - Straight, Opens, Short, Crossover