... ,IKA 2.Material:steel,rubber,plastic,hdpe 3.Roller sample availabe We can also ... vee idler,Impact roller,Taper roller,Comb roller,Sprial roller MaterialCarbon Steel,Stainless steel,Plastic,Nylon,Rubber, ... etc--------------------------------------------------------------------------------------------------------Basic Parameter:Inner structure in Table:Roller inner structure and material:Tubecarbon Steel, ...