M18, 4.5″, Cordless Lithium-Ion Cut-Off/Grinder, Bare Tool, 4-Pole Motor Delivers Maximum Power When Cutting Or Grinding, Overload Protection Prevents Damage To Tool & Battery In Abusive Situations, Debris Baffles Vents Keep Debris From Entering The Tool & Damaging Internal Components To Help Increase Tool Life, Tool Free, Burst Resistant Guard, Paddle Switch Design, 3-Position Side Handle Provides Optimal Control & Versatility, Includes Side Handle, No Battery Included.