Steel Type Letters, Numbers & Figures interchangeable and compatible with common world-wide blank sizes & Type Holders. Sharp Faced engraving style to produce clear positive impressions. Produced from the best steel grades for long life. Precision ground blanks to give clear marks of consistent depth. Sharp Faced character style with uniform depth of engraving to give a quality mark. Hardened to precise limits to ensure consistency, durability and safety in use. Nickel plated finish to resist rust and offer a good quality appearance.