Pivot light rotates to illuminate your projectUniversal 3-jaw chuck for easy accessory changesQuieter and cooler running due to improved air flowOur most powerful motor for maximum performance in demanding applicationsVariable-speed with electronic feedback for consistent performance in all applicationsSeparate on/off switch and speed control dial for added convenience between jobsReplaceable motor brushes extend tool lifeCool-running ball bearing construction for smooth and quiet operationIndustry leading customer supportCompatible with all Dremel rotary tool attachments and accessories (some applications require the use of a collet system, included in kit)