Takach Hand Inking Rollers are made of high quality rubber on an aluminum core. The rubber is a combination of natural rubber with buna nitrite blend. This blend of rubber keeps the durometer consistent and also gives the rubber a longer life span as well as the highest durability. This high quality rubber is wrapped on the aluminum roller core, cured, ground and polished. The wrapped rubber technique of rubber application is superior to cast rubber surface applications. It is used for print studio storage of the roller. Several types of cleaning agents are used to clean the rollers. Solvent based cleaners for oil based inks, nontoxic cleaners and water for water based ink cleanup. It provides deep clean wash-up and prolongs roller or brayer life. It keeps rubber surface soft and reduces glaze.