The Klein VDV226-011-SEN Ratcheting Modular Crimper/Stripper is durably made from steel and finished in black oxide for high performance. It helps provide fast, reliable modular-crimp connector installation for voice- and data applications. Other features include: Cuts, strips and crimps paired-conductor cables (round STP/UTP and flat-satin phone cables); Crimps 4-, 6- and 8-position modular connectors (RJ22, RJ11/RJ12 and RJ45); Designed for Western Electric (WE)/Stewart Stamping (SS)-type modular connectors. Dimensions: 4-Inch x 7.5-Inch x 0.9-Inch. Klein Tools offers a comprehensive line of VDV products created to prep, connect, and test network, phone, CATV, home theater, satellite, and security cables for residential or commercial systems.