Simplex - 4727 50 2 referenced product produced by high technology. 4727 50 2 became irreplaceable of foundations. 4727 50 2 referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. 4727 50 2 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.