A 4 1/2" grinder with a bit more to say: DEWALT's DWE402. Powerful? You bet. It's got a 11.0 AC/DC amp motor that operates at 1, 200 watts and 1.6 HP. Tough? Absolutely. It's Guaranteed Tough and features DEWALT's Dust Ejection System, ensuring motor life by keeping dust and debris out. It also comes with DEWALT's 90-Day Money Back Guarantee, a 3-Year Limited Warranty, and a 1-Year Free Service Contract. But is it nice to use? Oh yeah. You can switch easily between cutting/grinding wheels and accessories with the Quick-Change Wheel Release or adjust the guard without the need for tools. It also has a vibration-reducing side handle and a paddle switch for comfort, control, and reduction of user fatigue. No joke. This grinder's got more.11.0 Amp AC/DC 11, 000 rpm motor designed for faster material removal and higher overload protection. Dust Ejection System(TM) provides durability by ejecting damaging dust and debris particles that enter the tool through the air intake vents. Low profile, jam-pot gear case provides precise gear alignment for a smoother, quieter transmission while allowing access to tight spaces. One-piece brush arm prevents brush hang-up due to dust ingestion. Quick-Change(TM) Wheel Release allows tool free wheel removal without need for a wrench. Keyless adjustable guard provides tool-free guard adjustments, increasing productivity. Vibration-reducing side handle increases comfort for extended use applications. Auto-off brushes shut the tool down when the brushes need replacing to avoid tool damage. Oversized, protected spindle lock button provides easier and quicker wheel changes. Paddle switch with safety lock-off prevents accidental start up. | DEWALT 4-1/2" (115mm) Small Angle Grinder DWE402