The Klein Tools VDV226-107 Compact Ratcheting Modular Crimper is an all-inclusive tool that cuts, strips and crimps data and voice cables. It cuts, strips and terminates CAT6, CAT5e, CAT3 and flat-satin voice cables and crimps 6 and 8 position modular connectors (RJ11, RJ12, RJ45). The compact, ergonomic design is perfect for natural, single-hand operation and it"s about 40% smaller than other crimpers for easy storage. Its heavy-duty ratchet holds the connector in place for full compression. Its direct lateral crimp action ensures even and precise termination across all pins every time. Quick reference connector wiring diagrams are provided on the tool and downloadable to your mobile device.