... be customized 2. color is according to you Top quality rubber conveyor roller Roller diameter: 25mm, 38mm, 50mm, 60mm, 76mm, 89mmshaft diameter: 12mm, 15mm ... , 20mm, 25mmMaterial: mild steel, stainless steel, aluminum alloyThickness of rubber: usually be 5mm(single side), other requirement can also be ...