... transmission, Manual control, feeding in both sides, has perfectstructure, two guide rolls and emergency stop make it easy to operate.2 ... The top roller, in the central symmetry position over the two lower rolls, does vertical motion up and down.3. ... driving rollers: 118 Main motor power: 0.75 KWHave two driving rollers,high intensity,made by special materials profilesectionMin. diameterRound ...