3M 3" x 21" 120 grit power sanding belt is designed for portable sanding tools. It features 3M's cubitron abrasive grain and premium aluminum oxide blended minerals on a heavy Y weight cloth backing and film splice. This allows for the belt to be run bi-directional, making it economical and durable. It cuts faster than traditional belts, resists heat buildup and moisture, and is made from premium aluminum oxide grain.

• 3 In. x 21 In. 120 grit power sanding belt.
• Designed for portable sanding tools.
• 3M's cubitron abrasive grain and premium aluminum oxide blended minerals on a heavy Y weight cloth backing and film splice.
• Allows for the belt to be run bi-directional, economical and durable.