| product number | Product Specifications | h | W | Quantity / piece | weight/piece | Remark |
| 560A | Double bead bearing adjustment wheel yellow round groove | 35 | Ø28 | 400 | 26 | great book |
| 560A general | Ordinary adjusting wheel white round groove | 35 | Ø28 | 400 | 25 | great book |
| 560AZ | Load bearing adjustment wheel orange groove | 35 | Ø28 | 400 | 30 | great book |
| 560APZ | Load bearing adjustment wheel orange flat groove | 35 | Ø28 | 400 | 30 | great book |
