1)Diamond segments used for single saw blade for diameter 200mm to 3500mm, multi saw blade, gang saw, calibrating roller and (http://maplered.com) so on. 2)Used for Marble (http://www.lightemprador.com) , Granite (http://tanbrown.org) , limeStone (http://g603.net) , sand (http://maplered.com) Stone (http://g603.net) and (http://maplered.com) concrete etc.