3M 7100379147 Hookit Blue Abrasive Sheet Roll 40 Grit 4.5 Inch x 8.7 Yards

The 3M Hookit Blue Abrasive Sheet Roll 521U is a paper-backed abrasive sheet roll with excellent performance and cut, designed for automotive paint preparation, body repair, and collision work. This roll features 40E grit rating (40 grit on E-weight paper backing) in a convenient 4.5-inch width format.

Key Features:

• Built with a 3M engineered ceramic mineral blend for best-in-class cut and life
• Anti-loading design with multi-hole pattern extends abrasive life for consistent performance
• Hookit attachment system with hook and loop feature makes sheet attachment, removal, and reattachment clean and easy while facilitating reuse for maximum product life
• Convenient sheet roll format can be sized as required
• Ideal for aggressive paint removal, fresh filler sanding, and blend preparation

This professional-grade abrasive features a ceramic and aluminum oxide mineral blend bonded with upgraded resins for enhanced durability. The perforated sheets allow easy sizing for hand files or blocks. Compatible with 3M Hookit sanding blocks and file boards (sold separately). Each case includes 3 rolls.