I think I paid like 5 bucks for mine at NAPA. Little flex shaft, works great. Even has a laser on it that I can play with.Good thinking on the light. I was using a regular flashlight and it wasent working too well. New excuse to go tool shopping thanks for the advise.
I think they look absolutely perfect. Leave it alone. I like that the electrode is clean and turns black at the bend. Also black around the base. If the clean electrode were to be clean all the way down to the plug base then I would agree to increase jettin.