This comprehensive 552-piece crimping tool set includes a ratchet crimping tool, assorted insulated terminals, PVC electrical insulation tape, and cable ties. Designed for durability and precision, the ratchet crimping tool ensures strong, slip-free connections and excellent conductivity. Ideal for automotive, electrical, and DIY projects, this kit provides a clean and professional finish for all your wiring tasks. The set includes 500 assorted insulated terminals, featuring M4 ring terminals, spade terminals, male and female bullet terminals, butt connectors, and male and female splice connectors in red, blue, and yellow.