The 7" GRAV Lab Clear Classic Steamroller is a sight to behold

and intimidating

The smooth rounded design makes this grinder super functional

powerful hits

Formula 420 Plastic & Acrylic Cleaner - 4oz Use via Tube Kit or Valve Balloon The 7" GRAV Lab ClearGot many plastic and acrylic pieces? Standard cleaners may damage them, as they are not designed for porous materials. This redesigned Formula 420 cleaning solution offers the same speed and efficiency of their bestselling original but is specifically designed for plastic and acrylic. Made with non toxic and biodegradable ingredients, it will leave your pieces squeaky clean without any damage. Made with the patented AbrasivAction technology, the