Crimps UR/UY/UG insulation displacement connectors (IDC)- Scotchlok type connectors. Induction hardened cutting knives for long life. Hot riveted joint ensures smooth action and no handle wobble. Grooved jaws for wire wrapping- looping and twisting. Cleanly strips 23 AWG and 24 AWG wire. Yellow plastic grips enhance comfort- visibility and allow quick identification.