The 90067-4 is a CERTI-CRIMP II SAHT hand tool designed for crimping terminals and wires in aerospace and military applications. It features fixed dies, straight action jaw closure, and a ratchet mechanism that ensures a complete crimp cycle with emergency-only ratchet release for safety. The tool incorporates terminal and wire positioning aids with insulation adjustment on most configurations, ergonomic non-slip handles for operator comfort, and weighs approximately 0.59 kg (1.3 lbs). This tool is widely used in aircraft and military industries where reliable, repeatable crimping of various terminal types is essential, offering versatility across multiple connector families including AMP DYNAMIC, AMPLIMITE, MATE-N-LOK, and MULTILOCK series.