|  | 
        
          | GRIT: | GRADE | APPLICATIONS: | ISSA: |  
          | G-36G-50
 | Very CoarseVery Coarse
 Extra
 | Fast removal of high spots and very rough metal surfaces  | 61 41 95  |  
          | G-80G-100
 G-120
 | CoarseCoarse
 Coarse
 | Spots removal of uneven surfaces e.g.conditioning of new gears for smooth running  | 61 41 94  |  
          | G-150G-180
 | MediumMedium
 | Cleaning of corroded bolt threads & sharpening shears,etc  | 61 41 93  |  
          | G-220G-240
 | Medium FineMedium Fine
 | Surface Lapping/reseating exhaustand intake valves  | - |  | 
        
          | GRIT: | GRADE: | APPLICATIONS: | ISSA: |  
          | G-280G-320
 | FineFine
 | Surface finishing,e.g.valve seats,bearing,bushing,etc.  |  |  
          | G-400G-500
 G-600
 | Very FineVery Fine
 Very Fine
 Extra
 | Fine surface lapping,fine polishing for prdcision seating of valves,bearing and matting components  | 61 41 92  |  
          | G-800G-1000
 G-1200
 
 
 
 | Micro FineMicro Fine
 Micro Fine
 
 
 | Precision lapping and high profile polishing to mirror finishing of metal parts 
 
 |  |  |