Premium, long lasting tool cuts, strips and crimps CAT3, CAT5e and CAT6/6A cable using RJ11/RJ12 standard and RJ45 Pass-Thru connectors. Pass-Thru technology significantly reduces prep work time; wiring diagram on the tool helps eliminate rework and wasted materials. Compact, non-slip comfort grip reduces hand strain and stores easily. For use with Klein Pass-Thru Connectors (in packs of 10, 50 or 200). Versatile design cuts, strips and crimps paired-conductor cables. Compact, non-slip grip reduces hand strain for optimal use. Designed for use with Klein Tools pass-thru connectors. Full-cycle ratchet mechanism ensures complete connector termination. On-tool wiring guide helps minimize wiring errors. Cable parameters: 28-22 AWG flat or round; solid or stranded telephone and data. Rubber grip for added comfort. Ratcheting locking mechanism. Use with Klein Tools Pass-Thru Connectors. Not for use with standard (non Pass-Thru) connectors. Replacement blade set available (VDV999-076). For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn’t just the name of our company, it’s also our family name. And since we’re an American company that’s family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn’t just make great products, we make great products that stand up to the demands of the professionals who use them every day … Since 1857.