The listing is for one metal thimble in Size 8, 10 or 12. Very solid thimbles that will protect your finger well during quilting/sewing.
Dimensions:
Size 8: The opening end is about 12mm wide in diameter, closed end is about 18mm and the height is 20mm.
Size 10: The opening end is about 13mm wide in diameter, closed end is about 19mm and the height is 22mm.
Size 12: The opening end is about 14mm wide in diameter, closed end is about 20mm and the height is 24mm.