This pack consists of two (2) atomizer bases and four replac3ment (4) quartz dishes. These are for use with the Lookah Unicorn e-rig. 
The atomizers come complete with quartz dish. There are also four (4) additional dishes so this pack will least you through hundreds of dabs.
The atomizer base screws into the atomizer slot on the Unicorn e-rig. The interchangeable quartz dish sits on a pancake coil in the bottom of the atomizer base. This coil evenly heats the dish for even vaporization of your concentrates. The best results are achieved when using the auto/preheat function of the Unicorn electric dab rig.