PORTER-CABLE PC60TPAG 7-Amp 4-1/2-Inch Angle Grinder/Cut Off Tool 7.0-Amp motor powers through jobsite tasks with ease 11,000 RPM for high speed material removal Cast metal gear case increases jobsite durability and tool longevity 3-position side handle allows greater control in multiple positions Tool-free guard provides fast and easy guard adjustments Cast metal gear case increases job site durability and tool longevity 3-position side handle allows greater control in multiple positions Tool-free guard provides fast and easy guard adjustments Spindle lock feature allows for single wrench bit changes Non locking paddle switch provides additional control by automatically shutting off if dropped