Piranha Quartz Reactor Core Banger Nail Use that concentrate more efficiently! It's time to get the most out of your concentrates with the Piranha Reactor Core Banger Nail. It has a similar design to a regular quartz banger but includes an extra piece of solid quartz in the bottom of the bucket. This added quartz allows for better heat retention and better vaporization of your waxes and oils. It puts your concentrates in contact with more quartz to ensure none of your wax is wasted.