It is the Heart of a Paper / Board Machine. It controls stick flow, pick-up on the felt part and is responsible for good single layer / Multi layer formation and substance profile across the full web. It also contain C.I. Spiders with S.S. / Brass strip, Phosphorus Bronze spiders with Brass rods / Strips and wounding S.S. 304, 10 Gauge wire. It is also duly balanced.