This listing is for a precision surface grinder.Make: Seneca Falls Machine CompanyModel: RoyalOaks GrinderSerial #: 25R0256Also includes all pictured collets, plates, wrenches, manual, etc.Includes all/only items pictured.Here is a rundown of the additional components...Universal Form Relieving FixtureSerial #: 25R0256R-O Optical ComparatorSerial #: 25R0256R-O Grinder Ball Bearing MotorModel: 40097-A QDPower: 220/440V / 3 Phase / 60HzType: PNFrame: HA2YHP: 1/2RPM: 34501.5/.75 AmpsRating: 55deg CAlso includes all pictured collets, plates, wrenches, manual, etc.Includes all/only items pictured.___________________________________________________________________________________ For further information, please visit RO's website at http://www.royaloakgrinders.com/