Quality and durability have allowed the FM Polisher to be called the "Best in the Industry." The motor and gearbox are hand built and backed by an exclusive 7 year warranty. Features Rugged planetary drive system features helical-cut gears for ultra-smooth power transmission Dual independent micro-switches reduce down time Exclusive dihedral handle design reduces operator fatigue Die cast aluminum housing is five times stronger than sand castings Chrome handle tube resists rust - lasts longer Non-marking, vinyl bumper protects walls and furniture