These hand-sharpened etching tools are endowed with durability and precision. The Sc, burnisher, and tip will maintain consistent hardness due to the special heat treatment applied to the high carbon steel, assuring that the edges never lose their sharpness. The polished finish allows for better use of chemical products and easier cleaning at the end of the day. The oversized handle on the Sc tool provides a sure grip for improved control. The Sc is extra-long and the handle is made of shock-resistant fiberglass with a polished brass ferrule that is thermally attached to create a unified structure that can even be hammered upon during use. For over 50 years, RGM has been producing distinguished fine artist tools designed for masters, professionals and serious students. RGM exquisite painting knives and tools for carving, sculpting and etching are made with the highest quality materials, following the tradition of artisans and artists.