This machine is special designed for polishing side surface of thick stone such as tombstone , kerbstone or thick paving stone. PLC control with manual operation and AUTO operation model, and machine with two type tools holder, you can adopts D.150mm polishing pads , also you can adopts D.200mm metal polishing disc. it is idea machine for tombstone polishing/processing, kerbstone polishing/processing, edge polishing/edge processing.