28mm Aluminium Blank Discs 1.5mm thick.
Choose your  finish.
Supplied in pack of 10 or 50. 
Aluminium grade 1050.
 
These blanks are supplied either unfinished / tumbled /tumbled with holes.
Finished blanks are supplied tumbled to soften off any sharp edges and are ready to stamp. You can choose to add a 2.3mm hole to tumbled blanks.
Unfinished blanks (supplied with a protective peel off coating) will require polishing / tumbling and may have sharp edges.