| Item No. | Specification(L)(mm) | Meterial | Thickness Before Paint(mm) | Thickness After Paint(mm) | Wheel Rollers | Clour |
| 684-250 | 250
| Iron | 0.8/1.0 | 1.0/1.2 | Rollers with black noise reducer/White rollers | Milky white/Black/White |
| 684-300 | 300 | Iron | 0.8/1.0 | 1.0/1.2 | Rollers with black noise reducer/White rollers | Milky white/Black/White |
| 684-350 | 350 | Iron | 0.8/1.0 | 1.0/1.2 | Rollers with black noise reducer/White rollers | Milky white/Black/White |
| 684-400 | 400 | Iron | 0.8/1.0 | 1.0/1.2 | Rollers with black noise reducer/White rollers | Milky white/Black/White |
| 684-450 | 450 | Iron | 0.8/1.0 | 1.0/1.2 | Rollers with black noise reducer/White rollers | Milky white/Black/White |
| 684-500 | 500 | Iron | 0.8/1.0 | 1.0/1.2 | Rollers with black noise reducer/White rollers | Milky white/Black/White |
| 684-550 | 550 | Iron | 0.8/1.0 | 1.0/1.2 | Rollers with black noise reducer/White rollers | Milky white/Black/White |