Cleveland - RE 84-4 referenced 4-Pole Rotary Electric Vibrator product produced by high technology. RE 84-4 became irreplaceable of foundations. RE 84-4 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. RE 84-4 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.