Technical Specifications:Color: BlueType: Rolling MillItem Type: Jewelry Tools & EquipmentsMaterial: SteelGear ratio:1:6.2 4.20 The slimmest can be pressed: 0.03mmthe thickest can be pressed: 6.5mmRoll square: 7mm 5mm 3.5mm 3mm 2mm 1mm 0.5mmRoll presser: 75mmRoll Semi-circle:1.2mm 2mm 3mm 4mm 5mm 6mm 7mm 8mm 9mmFeatures and Benefits:1、Rollers are easy to change for different applications, ideal for drawing wire right in your own home.2、 Rolls made from stainless alloy that offers good wear resistance.3、All powder coated for superior corrosion protection and appearance.Notice:1. Please allow 1-3mm error due to manual measurement.Pls make sure you do not mind before you bid.2. The color may have different as the difference display,pls understand.Package Contents:1 x Manual Combination Rolling Mill MachineOur products are shipped from the United States, we will serve you 24 hours, if you have any questions, please contact us in time.