Makita GA4030 4-Inch Angle Grinder Powerful 6.0 AMP motor delivers 11,000 RPM for the most demanding applications Small diameter barrel grip (only 2.25-Inch) for added comfort Labyrinth construction seals motor and bearings from contamination Refined design at only 3.7 lbs for reduced operator fatigue Machined bevel gears provide at least 2X longer service life than previous models