These are specifically designed for 1-300 / 285 East German Army IFV & Tanks.  There are 3 sizes on each sheet to give a variation betwen MBT & IFV. All three sizes on the sheet are smaller than the smallest dimond roundels on the 1-600 aircraft sheet. Because they are so small there is only room for the printhead to print the hammer - see maginfication picture. They are printed on clear background waterslide decal paper.