Crimping Die: A precision-engineered metal slot designed to hold the modular plug securely while compressing the contact pins.Cable Stripper: An integrated notched blade intended to score and remove the outer insulation jacket. It is important to use the correct tension to avoid damaging the internal copper conductors.Wire Cutter: A heavy-duty blade used to trim cables. Many models include a blade guard to reduce the risk of accidental injury during use.