This stone is brand new. The large diameter is 24" inches, and the small size is 21". It probably be dressed strait over time.
If you wanted to use it for flat surfacing.. Local pick-up of course would be free. The item "Cincinnati surface grinding wheel 24 x 3 x 12 arbor hole 3MSB801-18-VSAE NEW" is in sale since Wednesday, July 25, 2018. This item is in the category "eBay Motors\Parts & Accessories\Wholesale Lots\Tools". The seller is "dragar85" and is located in Minneapolis, Minnesota.This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Bahamas, Viet nam, China, Mexico, Peru.