Piranha Quartz Thermal Reactor Core Banger Nail Level up your dabbing experience! The Piranha Quartz Thermal Reactor Core Banger Nail is a combination of two very popular dab nails. The thermal double wall design allows for larger dabs without wasting any by getting sucked into your rig. The core reactor puck in the bottom of the banger allows for much better heat retention and better vaporization. The combination of the two makes this dab nail a must have for any true dabbing enthusiast.