Dimensions

Brass mouthpiece and stainless steel body

Small:
1/4" Body, 3/8" Head
Overall length 13-1/2"

Medium:
5/16" Body, 7/16" Head
Overall length 14"

Large:
3/8" Body, 9/16" Head
Overall length 16"

Custom - Igor Balbi Style: (no photo) - This pipe has the same body size as the medium pipe, but with a fatter, counter bore head, that is different from the other 3 sizes.

5/16" Body, 5/8" Head
Overall length 15-3/4"