Spark Plug Wire Crimping Tool, 8.5mm Wire Crimper; the best wire crimping tool you can use to make custom wire sets or wiring. This special tool is an inexpensive way to make a set of custom plug wires. It provides a die to strip 8mm helical core wire or 8.5mm superconductor wire to provide a strong terminal crimp for the wire. MULTIFUNCTION Spark Plug Wire Crimping ToolThe wire crimping tool works on spark plug wire diameter is 8.58mm. Use this wire crimping tool to quickly and effectively strip, cut, and crimp, saving time and effort. Package IncludeSpark plug wire crimping tool kit includes a spark plug crimping tool, 24pcs 180 degree90 degreestraight spark plug coil terminals, diameter is 8mm, fit for 8mm wire. They are made of high quality brass, with high electrical conductivity, reliable and stable. Black rubber boots are matches well with terminals, will keep them from dirt and moisture. PRECISE JAWS Well polished jaw and ratchet mechanism ensure highquality crimping effect after repeat crimp, the stripper will work great and cut just enough insulation to not damage the conductor. RATCHET DESIGNND2048 spark plug crimping tool for precise and repeatable crimp, preventing over crimping, the ratchet crimper tool has an adjustable compression wheel that adjusts automatically while reducing the strain it puts on your hand and elbow. PRESSURE REGULATING AND FORCED RELEASE DEVICEThe crimping force of spark plug wire pliers can be adjusted according to different crimping terminals, giving appropriate crimping force to onestep crimping. When you want to stop crimping halfway through, just press this device to loosen the jaws.