Product Description: Special active roller for quantitative feeder - providing the most basic standard rollers, rubber coated rollers, iron removal rollers, deviation correction rollers, and buffer rollers; We also provide various other non-standard idlers with special functions to provide high-quality guarantee for your belt conveyor line. Professional manufacturing technology provides non-skid driving force and anti deviation directional function for the entire drum. Imported bearings provide long-term and stable operation for your equipment.