Cover Buttons - 1/2" (SIZE 20) - FLAT BACKS - QTY 50 COVER BUTTONS - SIZE 20 (1/2" - 12mm) - FLAT BACKS 50 SETS (SHELL AND FLAT BACKS) TOOL IS NOT INCLUDED, BUT IS REQUIRED IN ORDER TO ASSEMBLE COVER BUTTONS SEE OUR OTHER LISTINGS FOR ASSEMBLY TOOL WE WILL ALSO INCLUDE A PAPER TEMPLATE