AO/X AO Standard 3 x 21 (10/box)
- Grit Range 24- 400
- Closed Coat
Aluminum Oxide, X-wt. 65/35% Poly/Cotton, 24-400 grit: This is our most popular AO Belt. With a great initial price point, the Poly/Cotton backing offers a durable belt with good grain retention. Great starting point for most general purpose applications. Works well on most metals, and hard woods. Good for both narrow & wide belts.
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