This Makita 40V Angle Grinder with Electric Brake and AWS, delivers corded power and performance without the cord for demanding jobs.  The motor delivers variable speed of 3,000 - 8,500 RPM .  The slide switch with lock-on is great for operator convenience along with the tool-less quick guard rotation.  A rubberized soft grip, total length of 16-3/4” and weight of 9 lbs (with battery , sold separate), makes this tool operator friendly. 
 
OUTPOWER: Makita-built brushless motor along with 40V max XGT® battery combine to deliver powerful grinding and up to 60% faster cutting speed than predecessor models*
OUTSMART: Auto-start Wireless System (AWS®) utilizes Bluetooth® technology for wireless power-on/off communication between tool and dust extractor (AWS® Transmitter sold separately)
OUTLAST: Electronic current limiter helps protect the motor from overload in high torque application
Variable speed control dial allows for RPM adjustment (3,000-8,500) to match the speed to the application
Active Feedback-sensing Technology (AFT®) turns the motor off if rotation of the wheel is suddenly forced to stop
Electric brake stops the grinding or cut-off wheel in 2 seconds or less for maximum productivity
Anti-restart protection engineered to prevent motor start up when battery is inserted with switch locked on
Slide switch with lock-on for operator convenience
Quick guard rotation allows easy tool-less adjustment for increased productivity
Soft start suppresses start-up reaction for smooth start-ups and longer gear life
Spiral bevel gears for smoother rotations and a more efficient transfer of energy
Reinforced metal gear housing engineered for maximum job site durability
Wire mesh intake covers are engineered to prevent debris from entering motor
Extreme Protection Technology (XPT™) is engineered for improved dust and water resistance for operation in harsh conditions
Rubberized soft grip provides increased comfort on the job
Compact at only 16-3/4" long; ideal for tight spaces
The digital communication within XGT® optimizes performance to provide up to 2X longer sustained power under heavy-load applications
The digital communication within XGT® actively monitors and protects against overload, over-discharge and overheating
XGT® Tools and Batteries are designed with a multi-layer contact interface for more constant power delivery to take on high-current demands
XGT® Batteries feature rigid rails with impact-resistant construction to secure the battery to the tool during high-demand applications
The XGT® Rapid Charger with dual-fan design circulates air through the battery to cool the battery and circuit board quickly for faster charging
The XGT® Rapid Charger’s digital display indicates battery charge level (-80%, +80%, 100%)
The XGT® Rapid Charger’s built-in chip thoroughly communicates during the charging process to control current, voltage, and temperature for more efficient charging
40V max XGT® Lithium-Ion 4.0Ah Battery (BL4040) reaches a full charge in 45 minutes or less
Compatible with Makita® 40V max XGT® Lithium-Ion Batteries
Only use genuine Makita batteries and chargers
3-year limited warranty on tool, battery and charger
*Makita XAG04 cutting #5 (5/8”) rebar