Coin Type Coin Ring Type Direct Fit Diameter Holder Holder Cent 16.25mm T16mm n/a Two Cent 18.75mm T19mm n/a Five Cent 21.25mm 21mm n/a Ten Cent 19.75mm 20mm n/a 20 Cent 22.25mm H22mm n/a 50 Cent 24.25mm H24mm n/a One Euro 23.25mm H23mm n/a Two Euro 25.75mm 26mm n/a Ten Euro (Hercules) 29mm 29mm n/a