The Surefire Blackjack Helmet Mount is a sturdy, easy-to-install flashlight mount designed to securely attach to most firefighter helmets via two set screws, for hands-free illumination. This flashlight helmet mount was developed for firefighters, paramedics, EMS personnel, and other emergency first-responders. The helmet mount is made to work with Surefire lights. The Surefire Blackjack Mount is made of machined 6061 aluminum, and attaches to a helmet and holds your firefighter light securely. The Surefire Blackjack Light Holder is perfect if you're a fire fighter, EMT, search and rescue team member, or public safety or utilities worker.