With a mechanical safety interlock that prevents accidental startups, a built-in circuit breaker and fuse system to protect the motor and a rugged aluminum base and switch housing, the BDP 51/2000 is a durable burnisher that puts safety and brilliant results as priority number one. Performance Floating handle automatically adjusts to operator height simplifying operation and providing a consistent high-gloss shine. Safety Mechanical safety interlock to prevent accidental start-ups. Built in circuit breaker to protect motor. Durability Rugged housing with non-marking bumper to protect the machine and facility.