The duplex surface grinder machine consist of standard electrical equipment suitable for 3-phase, 415 v, 50 hz, ac supply; without diamond one dressing attachment; coolant tank and dressing system hydraulic power pack. The company provides these duplex surface grinder machine with special extra accessories like balance stand; balance arbor; magnetic separator; race blade as per specification and taper thickness for wheel rpm ac drive. The instruments have technical specifications like models pm-50, pm-100 and pm-150 respectively with maximum 50, 100 and 150 mm and minimum 10, 20 and 20 mm grindable diameter; maximum 25, 50 and 75 mm and minimum 03 mm grindable diameter width for all three models; [approx] - 7, 12.5 [17.5] and 17.5 [22.5 hp]power required; 1100, 1500 and 1800 kg approximate weight; 300 x 40 x 25.5 mm wheel size; 350 x 50 x 25.5 mm and 500 x 65 x 25.5 mm.