4-1/2", Angle Grinder, Small Circumference Barrel Grip For Easy Handling, Labyrinth Construction Seals Motor & Bearings From Contamination, Protective Zig-Zag Varnish Seals Armature For Longer Tool Life, Spindle Luck For Easy Wheel Changes, Switch Is Located On Side Of The Motor Housing, Lock-On Feature, Side Handle Can Be Installed On Either Side Of Tool For Operator Convenience, Includes: 4-1/2" Grinding Wheel, Lock Nut Wrench, Lock Nut, Inner Flange, Wheel Guard, Side Handle.