The DWE402N 4-1/2 in (115 mm) small angle grinder W/ no lock-on features three powerful systems for maximizing performance such as the dust ejection system for preventing damaging dust from entering the tool, one-touch Guard™ for 360 deg rotation, and Quick-Change™ wheel release for easy wheel removal. DeWALT® Angle Grinder, Small, Bare Tool, 4-1/2 in Wheel Diameter, 5/8-11 Arbor/Shank, 11000 RPM Speed, 1.8 HP, 120 VAC, 11 A, For Wheel Type: Quick-Change™, Plastic Housing Material, 2-Position/Body Grip/Side Handle, Yellow, 6 ft Cord, Non-Locking Paddle Switch Control, Yes, Non-Locking Paddle Switch Switch, 12 in L Dimensions