Multi Network Connectors Application – Fast, reliable modular-crimp connector installation for voice and data applications. Crimps RJ45 Cat 3/4/5/5e/6 (8x8) (8P8C), RJ12 6-position (6x6) (6P6C), RJ11 4-position (6x4) (6P4C) and RJ11 2-position (6x2) (6P2C). Also works for EZ-RJ45 pass thru connectors with built-in pass through blade. Compact Design Modular Crimper – 2/3 the size of traditional crimpers, one hand operation with rust resistant black oxide coated steel core. Recoil spring loaded ergonomic matte handle returns tool to ready position upon cycle completion helps you save time and effort. The compact size fits in any pocket, tool pouch and chest.