The DEWALT DCG409VS XR FlexVolt Advantage Grinder uses intelligent electronics to sense what battery is in the tool. Both power and torque are increased when using XR FlexVolt batteries.
This grinder providing up to 42% more power when used with XR batteries compared to standard 18V packs.
An adjustable variable speed dial allows the user to pre-set speeds for more control and correct application. The brushless motor provides increased run time and durability while an electronic soft start allows for a more controlled start-up.
This DEWALT product has protective mesh dust guards offering additional protection against motor contamination and increasing tool durability.
Its electronic brake and clutch work quickly to keep you safe and the rubber overmoulded rear and side handles increase user comfort and control.
Comes as a Bare Unit, NO battery or charger provided. 

Supplied with: 1 x 2-Position Side Handle, 1 x Keyless Protective Guard, 1 x Hex Key, 1 x Inner Disc Flange, 1 x Outer Disc Flange and 1 x TSTAK™ Kitbox.

Specifications:

No Load Speed: 3,000-9,000/min.
Max. Disc Diameter: 125mm.
Spindle Thread: M14.
Weight: 1.8kg (without battery).