Makita GAG11M1 40V max XGT® Brushless Cordless 4‘1/2" / 5" X‘LOCK Angle Grinder Kit, with Electric Brake, AWS® Capable (4.0Ah)Makita GAG11M1 Makita delivers grinding performance with the 40V XGT Brushless 4 1 2" 5" X LOCK Angle Grinder with AWS, (GAG11M1). The Makita built brushless motor along with 40V max XGT battery combine to deliver powerful grinding and up to 60% faster cutting speed than previous models*. The X LOCK quick change system allows for tool free wheel changes with simple snap on mounting and pull release lever for up to 5 times faster accessory changes. It