4-1/2", Paddle Switch, Cut-Off/Angle Grinder, Powerful 7.5A Motor Delivers 11,000 RPM For High Output Power, Small Diameter Barrel Grip Only 2-1/2" For Added Comfort, Labyrinth Construction Seals & Protects The Motor & Bearings From Dust & Debris For Longer Tool Life, Lock-On/Off Feature For Continuous Operation, AC/DC Switch For Use With Alternative Power Source, Protective Zig Zag Varnish Seals The Armature From Dust & Debris For Longer Tool Life, Extra Large Paddle Switch For Comfortable Operation, Thicker Coil Wires Are Wound More Closely To Reduce Heat & Energy Loss, All-Ball Bearing Design & Metal Gear Housing For Durability, Rotatable Gear Housing Can Be Positioned Every 90 Degree, Includes: (5) 4-1/2" Grinding Wheel, 4-1/2" Wheel Guard, 4-1/2" Cut Off Wheel Guard, Lock Nut, Lock Nut Wrench, Side Handle, Inner Flange & Case.