3M 7100372880 Hookit Gold 5-Inch 400 Grit Sanding Discs (100-Pack)

The 3M Hookit Gold 5-Inch Sanding Disc features a premium aluminum oxide abrasive for aggressive cutting action and long disc life on a variety of materials. The 400 grit provides a fine finish ideal for final sanding before painting or finishing work.

Key Features:

• Premium aluminum oxide abrasive grain for consistent cut and long life
• 400 grit for fine sanding and surface preparation
• 5-inch diameter fits standard dual-action sanders and disc sanders
• Hookit backing system allows quick disc changes and repositioning
• Film backing resists tearing and provides uniform finish
• C-weight backing provides flexibility to conform to contours
• Open coat design resists loading for extended use
• Convenient 100-disc box for high-volume applications

Ideal for automotive refinishing, woodworking, metal fabrication, and general surface preparation tasks. The Hookit attachment system makes disc changes fast and easy while maintaining consistent performance throughout the disc life.