Features: Small girth allows comfortable gripping resulting in superior ergonomics, The low profile gear case allows access in confined areas, Abrasion protected motor for increased durability, Independent box and spring brush holder design increases brush life, Fully leaded stator windings for increased motor durability, 100% Ball bearing design increases efficiency and durability, Pop off brushes protect the armature from damage at the end of brush life resulting in greater motor durability, Top positioned spindle lock allows maximum depth of cut. Specifications: Power Input: 800 Watts, No Load Speed: 12,000 rpm, Spindle Thread: M10, Max. Disc Diameter: 100 mm, Weight: 1.72 kg, Length: 270 mm, Height: 80 mm, Hand/Arm Vibration ? Grinding: 9.4 m/s?, Hand/Arm Vibration ? Sanding: 7.5 m/s?, Uncertainty K 1 (Vibration): 1.5 m/s?, Sound Pressure: 91 dB(A).