Edward C Lyons Mezzotint Rocker 2.5 in. 85 Line L335-2.5/85

Edward C. Lyons rockers are known world-wide as the finest mezzotint rockers available.
By Working (rocking) the tool over the plate in a crisscross fashion, the burrs created, produce rich velvety blacks unequaled in any other intaglio medium.