The set consists of two double balls of different size and weight, and one single.
Dimensions of the smaller double:
length: 7 cm
diameter: 2.8 cm
Weight: 52g
Dimensions of the smaller double:
length: 7.7 cm
diameter: 3.2 cm
Weight: 60g
Dimensions of the single:
diameter: 3.5 cm
Weight: 35g