Specifications
1. Standard size  - 100×30×10mm For high speed printer
    
  
    
          (OD ×ID×B)      - 100×30×20mm For middle speed printer
2. Material  - standard : S45C
    
  
    
                          - special : SKD11, SK4  
3. Cr hard coating - max 0.03mm
 
                 
                 
                 
                                 
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                     
                                    