VALLORBE GRAVER HSS SQUARE
Finest Swiss quality carbon steel gravers suitable for use with all types of metals, wood, bone, ivory & onyx. For use by Diesinkers, Engravers, Jewellers, Setters and Watchmakers. Special High Speed Steel gravers (HSS), (identified by yellow paint on tang). HSS gravers keep a sharper cutting edge 4 to 5 times longer than carbon steel gravers, but they are more difficult to sharpen. All gravers made by Vallorbe in Switzerland.