Grenco Science Tyson2.0 X G Pen Hyer VaporizerCreated in collaboration with legendary boxer, entrepreneur, and advocate Mike Tyson and his new brand Tyson 2. 0, G Pen is pleased to announce the Tyson 2. 0 x G Pen Hyer Vaporizer. Fully customized throughout with Tyson 2. 0 colorways and a custom Boxing Glove Travel Case, this new collaboration with G Pens newest dual use vaporization system proves to be an absolute knock out. The G Pen Hyer is an intuitively designed, dual use, portable enail that