About this itemHD-3220A is typical 4-indent 8-impression crimping tool designed according to MIL-C-22520/2-01, qualified to AFM8The tool gives a Mil-Standard 8 impression crimp, which assures maximum tensile strength. The cycle controlled precision ratchet assures consistently accurate crimps every timeThe tool frame has a built-in 8 selector numbers knob for ease in dialing the correct crimp depth setting for the wire being usedTool body is made of high quality carbon steel with rust prevention to ensure a long service life and the grips are wrapped with TPR for a comfortable operation with one handApplicable to crimp round contacts of MIL standard, Harting, Hardin, Wain, TE connectors