LOL! Good Lord I have been looking everywhere for this info for weeks! A decent Google search finally revealed this post -- I have no idea how I missed it before.
Thanks so much for posting this Corey!
While I'm here I might as well also post the dimensions for another popular pancake jack just for reference/comparison's sake:
GLS 1/4" pancake (I believe these have the same dimensions as the Switchcraft 228 - please correct me if I'm wrong!)
Height: 34.20mm (1.346")
Width: 20.75mm (0.817")
Depth: 10.79mm (0.425")