3M 01811 400 grit Purple Clean Sanding Hookit™ Disc (6 in, 50 discs) is a professional-grade abrasive designed for refined surface preparation and finishing in automotive collision repair, paint blending, and refinishing applications. Part of 3M’s Purple Clean Sanding™ line, this sanding disc delivers consistent cut and a uniform scratch pattern that helps technicians achieve smooth, professional surfaces prior to primer, basecoat, or clearcoat application. Featuring a Hook & Loop (Hookit™) attachment system , the disc attaches quickly and securely to compatible backing pads, allowing fast disc changes and optimized workflow efficiency in busy shop environments. The 400 grit is ideal for intermediate sanding steps, primer feathering, blend area preparation, and final sanding before finer abrasives.
Key Features
- Grit: Mid-level sanding for feathering, leveling, and surface refinement 6 in
- Size: Standard size for orbital and DA sanders with compatible backing pads
- Technology: Engineered to deliver consistent scratch patterns and improved finish quality
- Attachment: Quick disc changes with secure attachment to sanding tools 50
- Pack: Great value for frequent shop use
- Professional
- Grade: Trusted in automotive collision repair and refinishing work
Frequently Asked Questions
What pad do I need for Hookit discs?
Use a 6-inch Hookit (hook-and-loop) backing pad like the 3M 05776.
What’s the difference between Hookit and Stikit?
Hookit uses hook-and-loop (Velcro-style) attachment — discs can be removed and reattached. Stikit uses PSA adhesive (single-use). Hookit is preferred for frequent grit changes.
How many discs in a pack?
Each pack contains 50 discs.
