The David Clark H10-13

The main inner compartment can be organized however you like

Hybrid Electronic Noise Cancelling technology provides excellent ANR performance

Universal - fits all profiles

checklist ring flyboys Wheels The David Clark H10-13Overview **Note: There are 10 opaque rings in each package.** Durable. Unbreakable. Multi Purpose. Safe. These rings aren't just for checklists anymore! Opaque nylon ring to hold your checklists and in flight guides . Or use them for outdoor use where metal rings would rust or wear out. The days of the metal ring are over. Here is why. Featuring a patented ball lock design to prevent FOD out on the flight line. This is not hinged. There is very little