This 510 thread, buttonless battery is best used with Select cartridges. Available in white or charcoal, this classic battery won’t do you wrong and is the perfect size for discreet smoking! With the highest purity, potency and flavor, Select Oil has quickly become the best-selling cannabis oil in its class. Winner of the 2017 Dope Magazine's Best Concentrate Company, they continue to pave the way in industry standards and innovation. Select utilizes cutting-edge technology with their thoughtful terpene preservation process to deliver an unmatched oil, superior in quality and potency.