Champion Aerospace - Spacing Gauge | GT1-17L Foam Ear Seals The headset features an amplified

The headset features an amplified noise-canceling electret microphone

Ideal for flight schools

This dome is finished in classic moss green and molded to factory specifications to ensure a seamless replacement experience

effectively removes cord weight from the user's head

Champion Aerospace - Spacing Gauge | GT1-17L Foam Ear Seals The headset features an amplifiedChampion Aerospace Spacing Gauge GT1 17L Trying to fit a square peg in a round hole is not advisable. Neither is trying to try and fit a large spark plug in a designated hole that is too small. Ideal Aviation's GT1 17L is a spacing gauge (. 015 . 019 . 40 . 5 mm) that serves as an accessory to the Model 2500A precision gap setting tool, a tool used for all massive electrode Champion spark plugs.