New #3 HSS Square Graver. This is a new #3 high speed steel square graver. Square gravers are used for bold letter engraving. Gravers made of high speed steel are harder to sharpen but hold and edge 4 to 5 times longer. This can be used on all types of metals, wood, bone, ivory, onyx, etc. Used by engravers, jewelers, die sinkers, stone setters and watchmakers. It measures approximately 4" (101 mm) long and 1/8" (3 mm) wide. We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.