The Eclipse 300-004 is a all-in-one modular crimper tool that can cut, strip and crimp telephone cable (RJ11 - 2, 4, 6 and up to 8 wires) and silver satin of UTP / STP flat cable (RJ45 or 4 pair).
It is a ratcheted tool that can not be used with AMP style plugs.
Find replacement blades under part number: 300-004B