The Sure Speed Concrete Vibrator produces uniform and repeatable vibration. A lightweight, ergonomic design minimizes labor and fatigue. The soft start design improves brush life and the elimination over-speeding out of mix saves wear on the motor. It's design controls vibrator speed and lowers the amount of concrete bleeding. It reduces air entrainment and concrete segregation due to over vibrating. Sure Speed allows the operator to eliminate speed variations inherent with existing vibrators affected by motor size, head size, and shaft length. Wyco Tool. 800-233-9926.