Aluminium Rectangle Tags 2mm thick. Slightly softened square corners. 2.3mm hole optional. Supplied in qty of 10, 50 or 100. Aluminium grade 1050. Finished blanks are supplied tumbled to soften off any sharp edges and are ready to stamp. Unfinished blanks (supplied with a protective peel off coating) will require polishing / tumbling and may have slightly sharp edges.