3M 03004 9x11 Fine Aluminum Oxide Automotive Sandpaper Sheet

The 3M 03004 is a 9" x 11" fine-grit aluminum oxide automotive sandpaper sheet designed for demanding bodywork and finishing applications. Built with aluminum oxide mineral—a tough, long-lasting synthetic abrasive—this sandpaper delivers consistent, reliable cutting action across a wide range of automotive surfaces.

Key Features:

• Aluminum oxide abrasive mineral — durable synthetic abrasive for consistent performance and extended sheet life
• 9" x 11" full sheet format — standard size that can be cut or torn to fit most hand sanding blocks and orbital sanders
• Fine grit — ideal for smoothing surfaces, scuffing primers, and preparing surfaces for finish coats
• Suitable for hand or machine sanding — versatile enough for both manual and power-assisted applications
• Multi-surface compatibility — for use on metal, plastic body filler, and fiberglass

Whether you're a professional body technician or a weekend restorer, the 3M 03004 sandpaper sheet delivers the consistent cutting and smoothing performance 3M is known for. Its full-sheet format provides flexibility in the shop, fitting standard sanding blocks and easily trimmed to size for detail work.