The ERG4 is a manual crimp tool used for installing wire ferrules and crimping terminals. It accommodates a wide wire size range from 26 to 1/0 AWG and includes four individual, exchangeable die sets. The tool features a Comfort Crimp ergonomic design with a palm grip handle and a Shure-Stake ratchet mechanism to ensure complete crimp cycles. This versatile tool is suitable for various applications requiring secure cable lug and connector terminations.