Clarke CFP Pro 20HD Low Speed Floor Burnisher offers more torque, better cooling and easy maneuverability to make even the toughest jobs a snap. A switch lock mechanism helps prevent accidental start ups and the negative pressure trigger bar shuts the machine off when the operator lets go. This trigger can be controlled by either hand, and helps to prevent accidental startups. Powerful motor and planetary gear system provide smooth, quiet and reliable operation. High torque system allows for smooth start-ups on all hard-floor surfaces. Epoxy powder coated steel brush cover resists chemical and corrosion attacks, providing exceptional durability. Foot-controlled handle lock makes adjustments easy and minimizes operator bending and fatigue.