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        SPONGE SHEETS SOFTBACK 4-1/2"X5-1/2" U-FINE 20/BX    
    
    
        SPONGE SHEETS SOFTBACK 4-1/2"X5-1/2" U-FINE 20/BX
 
        Features and Benefits:
    - Ultrafine grade 800-1000
- Provide flexibility and conformability to allow for sanding by hand in areas inaccessible to machine sanders
- Use wet or dry when sanding on wood fiberglass/gelcoat, marine paints, metals and plastics
- Abrasive Mineral type: Aluminum Oxide
 
     
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                    | Brand | 3M |