The Bon Air is our mini. The pen is approximately 4 inches long capped, but posts to a very comfortable writing length. The diameter of the pen is 15 mm.
Peach Bellini Bon Air Model Eyedropper - Bock nib
Voodoo Vineyard Bon Air Model Eyedropper - Bock nib
Watermelon Eyedropper Pen - Jowo nib
DiamondCast French Quarter Eyedropper Pen - Jowo nib