High Cycle Vibrators from Minnich Mfg. Inc. Created: November 24, 2008 Vibrator with 1 7/8-in. head for encased beams, thin walls and hard to reach places on monolithic poursVibrator with 2 3/8-in. head for placing low slump (0 to 3 in.) concrete Want to know more about this product? Click here to request more information about High Cycle Vibrators from Minnich Mfg. Inc. .