Looms are Black in colorFits 7-8mm spark plug wiresWires snap into place with slight pressurePrevents crossfiringMade from plastic and polymer materialsThese Moroso spark plug wire separators protect your plug wires from contacting hot engine components and prevent ignition crossover by holding them away from one another. These separators snap into place with slight pressure and can be used to route wires just about any way you can think of. The high temperature plastic separators securely grip the plug wires. Sets include two 2-hole separators, two 3-hole separators and two 4-hole separators.