3M 34440 – 40 Grit Hookit™ Cubitron™ II Clean Sanding Sheet Roll (2.75" x 8.75 yd)

3M 34440 40 Grit Hookit™ Cubitron™ II Clean Sanding Sheet Roll is an extra-coarse abrasive roll designed for aggressive material removal, weld blending, and heavy surface preparation in automotive body repair, fabrication, and industrial sanding applications. Featuring 3M’s precision-shaped Cubitron™ II ceramic grain combined with Clean Sanding technology, this sanding roll delivers rapid cut rates, extended abrasive life, and reduced clogging compared to traditional abrasives. The Hookit™ hook-and-loop backing makes it easy to apply and remove on compatible sanding tools.

Key Features

• 40 Grit Extra-Coarse Abrasive: Excellent for heavy stock removal, weld cleanup, and aggressive surface prep
• Cubitron™ II Precision Grain: Provides fast cutting action, cooler operation, and longer abrasive life
• Clean Sanding Technology: Helps minimize clogging and buildup for smoother, more consistent sanding
• 2.75" x 8.75 yd Roll: Tear-to-length format for customizable sanding lengths and reduced waste
• Hookit™ Attachment Backing: Secure hook-and-loop system for easy, tool-free sheet changes