Bombing Science holds the full line of Grog products from the Squeezers down to the Booster powder and everything in between. Grog concentrates on making classic tagging tools which they have perfected over the years providing writers the ultimate handstyle experience. Grab a Squeezer 25 for ultimate drips or rock the Metal Head to be able to write on virtually anything. Fill your empty mops with their killer paint and ink refills. All Grog products are made in Italy, you can expect the highest quality of graffiti markers with this brand.