Search:

While my 4" OD x 1/2" ID weren't purchased at Caswell they fit very tightly on my 1/2" shaft so there might be some kind of industry standard for sizing.

I hope the info on the tapered spindles...

Sound good, what's the ID/OD of the wheels you plan on using? :shrug:

I too have been looking to expand the capabilities of my buffer that I built:
http://straightrazorpalace.com/workshop/112397-variable-speed-buffer-build-speed-kills-part-one.html

However I'm very...