conveyor idler fittings 1.Material:Nylon,Polyethylene,Polyurethane 2.Type:DTII,TD75,TR,QD80,SPJ 3.No scratching scars We can also offer solutions on technology and drawings,feel free to contact us! conveyor idler fittings1.Material:Nylon,Polyethylene,Polyurethane2.Type:DTII,TD75,TR,QD80,SPJ3.Life time: more than 2-3 years4. Feature: waterproof,dust proof Other parts of roller: