Quality E.C. Muller gravers are generally preferred for use on gold, silver, platinum and steel. These gravers can be modifed for use with all power assisted engraving systems and handpieces including GRS and Foredom systems.
HIGH SPEED STEEL - Because of their hardness these gravers may be used on all types of metals. They will hold their edge longer than carbon steel gravers, but they are harder to sharpen.