The Milwaukee 2883-20 M18 FUEL 4-1/2″ – 5″ Braking Grinder with ONE-KEY / Slide Switch / Lock-On – Tool Only includes: Tool only – batteries and charger sold separately T27 Guard T1 Clip-On Guard Side Handle Also available as a kit with batteries and charger: 2883-22 Features: Product no. 2882-20 RAPIDSTOP™ Brake: quickly stops accessories and enhances safety Slide Switch with Lock-On reduces user fatigue Tool-Free Guard Adjustment for faster guard installations and adjustments Tool-Free Accessory Changes with Integrated FIXTEC Nut Technology Electronic Clutch for kickback protection 5/8″-11 Spindle for use with common grinding accessories Overload Protection maximizes motor life Anti-Vibration Side Handle increases user comfort and safety ONE-KEY™ Tracking and Tool Management Compatible with all M18™ Batteries POWERSTATE™ Brushless Motor: Purposely built for the M18 FUEL™ 4-1/2″ / 5″ Braking Grinder with ONE-KEY™ Delivers 8,500 RPM Provides the power to complete the toughest grinding and cutting applications REDLINK PLUS™ Intelligence: Most advanced system of electronics in the industry Enables communication between batteries and tools Allows for unmatched levels of performance, protection, and compatibility REDLITHIUM™ HIGH OUTPUT™ Battery Pack – sold separately: Provides 50% more power and runs 50% cooler versus standard REDLITHIUM™ Battery Superior pack construction, electronics and performance Delivers more work per charge and more work over pack lifespan than any battery on the market