Description
3M Flexible Fairing Board, 4.5 in x 30 in – 83978 is a 3M sanding-system accessory designed to support the matching abrasive and improve contact, control and scratch consistency. Using the correct pad, block or interface is especially important on marine fairing and refinishing work where uneven pressure can telegraph through the final finish.
Features
- Designed to support compatible 3M abrasives so pressure is distributed more evenly across the work surface.
- Correct pad or block selection improves abrasive contact, scratch consistency and operator control.
- Reusable shop accessory reduces the need to improvise backing surfaces that can create uneven sanding marks.
- Useful for marine fairing, paint preparation and refinishing tasks where consistent surface contact matters.
- Match diameter, attachment style and firmness to the abrasive and contour being worked.
Specifications
- Manufacturer: 3M
- Manufacturer Part Number: 83978
- Size: 4.5″X30″




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