Product name: Coal roll part Material: alloy steel, stainless steel, solid forging alloy steel core Production process: It is made of seamless steel pipe Application: Grinding related materials Funnel category: According to the size, there are large-scale such as paper-making machinery roller (length can reach more than 10 meters, diameter is more than 1500 mm), there are small-scale such as automatic assembly line belt conveyor flat idler (generally within 1 meter length, diameter is also less than 159 mm) Unit Weight: 2kg-60kg, 4lbs-120lbs Customizable or not: Yes Origin: China