PORTER CABLE PCC761B 20-volt MAX Lithium Bare Cut Off/Grinder High-Performance Motor produces 8,500 rpm Cast metal gear housing Spindle lock for quick and easy wheel changes 3-Position Side Handle Part of the 20V Max System High-Performance Motor produces 8,500 rpm for aggressive cutting, removal and finishing Cast metal gear housing helps dissipate heat during extended use Contoured Overmolded Handle optimized for increased comfort Spindle lock allows for quick and easy wheel changes 3-Position Side Handle provides control in multiple positions Tool Free Guard makes guard adjustments quick and easy 20V Max System - High performance cordless platform