With a high-performance motor that delivers 8,500 RPMs, this Porter-Cable cordless angle grinder delivers powerful performance for exceptional cutting, material removal and finishing. The cast metal gear housing dissipates heat, ensuring the grinder is comfortable to use and won't overheat with extended use. You can change the wheel easily with the spindle lock, and the 3-postion side handle gives you optimized control in different positions. It also has a guard that can be adjusted easily without the need for tools. Charger and 20-volt battery sold separately.