B style clutch brush drive. 6" Non-marking wheel. 5 years motor and gearbox warranty. Safety enhanced interlock switch both hands in control. Safety enhanced, non-conductive dual triggers eliminates shock potential. Fully adjustable handle position comfortable for all operators. Motor plugs in at handle base for easy maintenance. Non-marking retractable 6" wheels for easy transport. Traditional all-metal, reinforced bell housing apron. Non-marking super thick bumpers protects baseboards. Triple-planetary high torque transmission for the toughest jobs. Precision balanced heavy-duty 66-frame motor. All metal chassis added weight for fastest results.