| Model | 
                         Size(mm) | 
                         Weight(Kg) | 
        
| S280520 | 
            0.5, 1, 2, 2.5, 3, 4, 5, 10, 20, 50 | 
            2.5 | 
        
| Model | 
            Size(mm) | 
            Weight(Kg) | 
        
| S160520 | 
            0.5, 1, 2, 2.5, 3, 4, 5, 10, 20, 50 | 
            1.2 |