Feature:Makes spark plugs wire and the engine bay look tidy and neat.It can fix and organize the engine wires.Made of plastic for durability and strength.Secure tightly with a wrench. Easy installation.Suits for most cars' spark plug wire.Description:Material: PlasticColor: BlueHole Diameter: 8mm / 0.31"Four Hole Separator Size: 49x13.5x10mm / 1.93"x0.53"x0.39"(L*W*H)Three Hole Separator Size: 39x13.5x10mm / 1.54"x0.53"x0.39"(L*W*H)Two Hole Separator Size: 26x13.5x10mm / 1.02"x0.53"x0.39"(L*W*H)Fitment:for 8mm Spark Plug WiresNotes:Professional installation is highly recommended. (No Instruction Included)Please check the product sizes before purchasing.Please allow 1-3mm differences due to manual measurement, thanks.