... and energy saving.2. Technical parameters:A. Main part(1) Model: 1092, 1575, 1760, 2500, 2800 (2) Parent roll ... . 80- 130mm (other sizes to be ordered), adjustable tightness(6) Perforating pitch: 90-130mm adjustable (other sizes to be ordered) (7) Product core ... parts:(1) Embossing device: steel-to-steel roller (model 1092, 1575, 1760), steel torubber, or steel to wool roller(2) Tension controlling ...