Assortment includes 20 pieces of mixed sizes and cuts of both aluminum and brass engraving plates Protective clear coating on all plates must be removed before engraving A selection of plates included will also have customizations including holes rounded corners notched corners and tape Includes brushed polished and black coated plates Mixed sizes no larger than 45 inches long Thickness between 70mm 027 60mm 023 Each hand cut assortment is unique and no two are the same sizes colors and design vary for each assortment