Dust ejection system removes majority of debris from the air which passes over the motor, preventing abrasion and tracking. Anti-vibration side handle to improve user comfort. Fully leaded stator windings for increased motor durability. Pop off brushes protect the armature from damage at the end of brush life resulting in greater motor durability. Small girth allows user to maintain a comfortable grip, resulting in superior ergonomics. The low profile gear case allows access to confined areas. 1 year free service contract, 1 year full warranty and 30 Day No Risk Satisfaction Guarantee.