SPARKPLUG BOOT & TERMINAL: Rubber cap withSpirol Steel Clasp 6710Water resistant plug cap and coil wire cover Fits all sparkplug wires 5mm-3/16" Used with any sparkplug withtop-cap . Just push down & snaponSecures into coil-wire for tight fit andgreat conductivityThis offers 5000 ohms of resistance when used with copper core wire Karts, Mini Bikes,Trimmers, Blowers, MowersExcellent for mini bikes, mopeds, go-peds, karts, scooters, mowers, trimmers, snow blowers...