More than two thousand(!) pop rivets for scale models.
The rivets in this set have a diameter of .65mm (.025"). This scales out to the following popular modelling scales:
1/8 - 5.2mm (0.20")
1/12 - 7.8mm (0.30")
1/16 - 10.4mm (0.4")
1/20 - 13mm (.05")
1/24 - 15.6mm (.62")
1/25 - 16.25mm (0.64")
1/32 - 20.8mm (0.8")
1/35 - 22.75mm (0.9")
1/48 - 31.2mm (1.2")