Product Features : Dust Ejection System protects from abrasion damage increasing the life of the tool Anti vibration side handle Quick adjustment tool free guard Fully leaded stator windings for increased motor durability Three position side handle for improved balance in cutting and grinding applications Cut off brushes to prolong motor life Dust sealed bearings for prolonged product life Brand : Dewalt Power Tool Type : Grinders Model Number : DWE4557-B5 Color : Multi Color Power Source : Corded Electric Specifications : Power Input : 2400 Watts No Load Speed : 8500 rpm Maximum Disc Diameter : 180 mm Spindle Thread : M14 Hand/Arm Vibration Grinding : 8.5 m/s? Uncertainty K 1 Vibration : 1.5 m/s? Hand/Arm Vibration Sanding : < 2.5 m/s? Uncertainty K 2 Vibration : 1.5 m/s? Sound Pressure : 96 dB Sound Pressure Uncertainty : 3 dB Sound Power : 107 dB Sound Power Uncertainty : 3 dB Length : 520 mm Height : 145 mm Weight : 5.5 kg Set Includes : Protective tool free guard Anti vibration side handle Inner and outer flange set Spanner