The ROCKIT™ 2.0 is a powerful, hand-held, miniature 510 thread vaporizer. Compatible with Rockit 510 Thread cartridges and most 510 Thread cartridges on the market! The ROCKIT™ 2.0 is a powerful, hand-held, miniature 510 thread vaporizer. The ROCKIT™ 2.0 is easy to use, fits discreetly in a pocket or purse making it perfect for anyone on the go. The ROCKIT™ 2.0 is not intended for use with tobacco or illegal substances.