Roller adjustment knob: adjust the thickness of the dough, both sides of the same rotation adjustment, so that the thickness of the dough is uniform 2. Cutter adjustment knob: adjust the width of noodles, tighten the knob, grind out narrow noodles, loosen the knob, grind out the wide noodles, both sides of the knob need to adjust the same.Noodle thickness adjustable:0.1mm - 2mm. Cutting noodles: 3mm/9mm noodles (2mm/6mm, 2.5mm for optional). Frame Material: cold-rolled steel, 2.5mm Shell Material: ABS plastic. The item "Stainless Steel Electric Pasta Press Maker Noodle Machine Home Commercial 220V t" is in sale since Tuesday, January 24, 2017. This item is in the category "Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Pasta Makers". The seller is "tech-zoom" and is located in CN,CN. This item can be shipped worldwide.