Mercury L-15E 175 Series Super Heavy-Duty Floor MachineMercury L 15E 175 Series Super Heavy Duty Floor Machine 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