The met spectro sample polisher is versatile to use with quality sample preparation in minimum time. It can produce high quality samples demanded by present quality needs.machine to suite the disc housing and to cover the disc plate by 180 degrees for safety. disc housing - made of cast iron and machined to suit the disc plate, disc cover and machine stand at the back of the disc housing the pipeline is connected to the unit for collecting the dust, cooling the polishing disc and for gripping it uniformly at the time of operation