PORTER-CABLE PCE6430 4.5-Amp Single Speed 1/4-Inch Laminate Trimmer 31,000 RPM, 4.5 amp motor Precision-machined, cast-aluminum fixed base Extra large locking clips allow for a quick motor release and/or course depth adjustment Depth ring enables quick and accurate bit height adjustments 31,000 RPM, 4.5 amp motor Precision-machined, cast-aluminum fixed base Extra large locking clips allow for a quick motor release and/or course depth adjustment Depth ring enables quick and accurate bit height adjustments Spindle lock button allows for single-wrench bit changes