nestork wrote:
Open your yellow pages to Upholsterers and phone around to
find out
who sells upholstery supplies in your area. The
upholstery supply
places will carry a completely line of feet and casters
for chairs of
all sorts.

I'm wondering if you couldn't drill holes in the bottoms
of those
chair legs and use rubber casters on them(?)

A caster on that small diameter leg would split it