Size used in photos are the 17mm option.
Included:
Blue Moon Lucky Stud
Four-Leaf Clover Border Stud
Heart Lucky Stud
Horseshoe Lucky Stud
Leprechaun Hat Lucky Stud
Pot of Gold Lucky Stud
Rainbow Lucky Stud
Red Balloon Lucky Stud
Shooting Star Lucky Stud
Unicorn Lucky Stud
Cutter Square Base Measurements:
Studs -
15 mm (0.59 in)
17mm (0.67 in)
20mm (0.79 in)
All measurements are taken of the bases' exterior dimensions, rounded off to the nearest decimal.