The 4-piece intaglio set by E C Lyons contains all the tools you need to create a wide variety of images on your plate. The tools can be used for both etching and drypoint techniques, and include a double ended Whistler style etching needle, a double ended scraper burnisher, an 85 dot curved arm roulette and a square burin that can be used for engraving or cleaning up etched lines. Lyons tools are made of high grade carbon steel and can be used on copper, zinc, other metals and plastics.