Very simple, thin-walled, with rubber insert to grip the fork. Slim. Short. Connects to any universal joint or extension for hard to reach spark plugs. Before disconnecting, mark the cables and take photos with your phone for reference. When I was a kid we didn't have camera phones. We used tape and a pen and marked each wire and position. Use a wire puller so you have the best leverage and your hands don't slip off and damage the wire connection. Use a spark plug tool with a flourish. , long extension cord and handle. A hand twist of the wrist movement should be enough to break the torque. The spark plugs do not clog. The OEM torque is 12-18 lb-ft, which means you can always remove the spark plugs with the least amount of effort. If the spark plugs are too tight for a hand tool, someone has installed them incorrectly. Or worse, the spark plug threads will stick due to soot and/or corrosion. During installation, anything that doesn't meet OEM specs will damage the threads. Insert the plugs by hand so you are comfortable not twisting or damaging any threads. Always apply anti-seize to the threads to allow the plugs to be removed at the next service. Apply a liberal amount of dielectric grease to the spark plug boots. So what is it here? This is the next step. With increasing aggressiveness. You have a good grip, a wide stance, and put some power from your hips into your wrist movement. A simple manual spark plug tool just won't blow the spark plug. This is the next step. 3/8 solid nut on a ratchet handle or crowbar to give you some extra leverage. Use penetrating oil. Start with the shorter ratchet handle and then work your way up. The Craftsman has a great ratchet with a retractable handle that's perfect for this job. The soft rubber sleeve is better than the magnetic insert in breaking moment. Once you've loosened the spark plug, switch to a socket with a magnetic insert, as it's actually better to hold the spark plug and pull it out. Yes. Simple tuning of spark plugs and cables turns into a bear. Boots got stuck. The forks are stuck. break connector. Suddenly you realize that you have over a dozen special tools to complete what should be a simple task. Various deep sockets, extensions, swivels, lever breakers, final torque wrenches, gap gauges, special tools for opening and closing the spark plug gap. Unless you have E3 spark plugs.