Engraving Plates Large Black Brass Engraving Plate – 5″ x 2″ Large Brass Engraving Plate – 5″ x 2″ Medium Brass Engraving Plate – 3.5″ x 1.5″ Small Brass Engraving Plate – 3″ x 1″ Medium Black Brass Engraving Plate – 3.5″ x 1.5″ Small Black Brass Engraving Plate – 3″ x 1″