On Sep 9, 12:21*pm, Mike wrote:

http://www.harborfreight.com/8-inch-...-caster-with-b...

I'd go with either the 8" or 10" pneumatic casters, myself:

http://www.harborfreight.com/8-inch-...ter-42485.html

http://www.harborfreight.com/10-inch...ter-38944.html

Thanks, Bob K.