Features: For 0-4 degree angle, bulk, bagged material handling, to prevent the material down and improve the transmission capacity.Type: herringbone pattern, herringbone pattern, U-type pattern, cylindrical pattern and so on.Bandwidth: 300mm-2200mmPattern of high: 5,10,15,20,25,30 (mm)Pattern spacing: 125,200,250,330,400,500 (mm)Note: The pattern shape can be designed according to user requirements.