
Speed:13.5 ; Spin :10.5 ; Hardness: 32degree
New-Old Scale Hardness Conversion
New Scale | Soft | Medium | Hard |
Old Scale | 32-34 | 35-37 |
38-40 |
Speed:13.5 ; Spin :10.5 ; Hardness: 32degree
New-Old Scale Hardness Conversion
New Scale | Soft | Medium | Hard |
Old Scale | 32-34 | 35-37 |
38-40 |