Champion Aerospace's CT912 T Spark Plug Wrench is 7/8". This wrench reduces both installation and removal time for spark plug ignition leads, and also offers short arc turning due to its 12-point grip head.
The nuts and bolts of the aviation industry can be reduced to this simple statement: you need the proper tool(s) to get the job done right. This requires countless specifications on countless parts and thus the right tools for the various assemblies associated with your particular aircraft. Unfortunately, not all tools can be used universally and for any and every application. Still, the fact remains: If you don't have the proper equipment, well, it can be heart-wrenching to say the least. SkyGeek understands this and so does Ideal Aviation. That's why they specialize in custom tool design and manufacturing.