| NO. | Model | Dehydrated ball size | Hardness range | Weight of a single ball | Color Description |
|---|---|---|---|---|---|
| 6 | 7#-7 | 2.5-3.0 | >22N | 0.011-0.013g | White |
7#-7 Gel Balls
| NO. | Model | Dehydrated ball size | Hardness range | Weight of a single ball | Color Description |
|---|---|---|---|---|---|
| 6 | 7#-7 | 2.5-3.0 | >22N | 0.011-0.013g | White |