| SKU | 7100379147 |
|---|---|
| Legacy SKU | 60450003920 |
| UPC | 00068060066459 |
| Catalog Number | 37454 |
| Product Number | 521U |
3M Hookit Blue Abrasive Sheet Roll 521U is a paper-backed abrasive sheet roll with excellent performance and cut. It is available in a range of grades. The convenient sheet roll format can be sized as required.
- Excellent cut rate and performance
- E-weight paper backing is highly durable and withstands wear, pressure and damage
- Easy and reusable hook-and-loop system
- Convenient sheet roll form available in a variety of grades
Product Dimensions |
Imperial | Metric |
| Weight | 2.1692 lbs | |
|---|---|---|
| Width | 6-1/4 in | |
| Length | 6-1/4 in | |
| Height | 4.6248 in |
Shipping Dimensions |
|
| Weight | 7.107 lb |
|---|---|
| Length | 16.25 in |
| Width | 6.8748 in |
| Height | 7.25 in |
| Color | Blue |
|---|
PRODUCT FAQ
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What kind of surfaces can I use the 3M™ Hookit™ Blue Sheet Roll 37454 on?
You can use the 3M™ Hookit™ Blue Sheet Roll 37454 on a variety of surfaces, including metal, paint, primer, and fiberglass. It’s designed for sanding applications in both automotive and industrial settings—super versatile!
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How does the Hookit™ attachment system work?
The Hookit™ system uses a hook-and-loop backing that makes it really easy to attach the abrasive sheet to your sanding tool—and just as easy to remove or replace it when you need to! This helps you save time and get a consistent result.
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What grit is the 3M™ Hookit™ Blue Sheet Roll 37454?
This particular product is a 40E grit abrasive roll, which means it’s great for heavy-duty sanding or stripping jobs where you need to remove material quickly and efficiently.
The 3M Hookit Blue Abrasive Sheet Roll 521U is expertly engineered for professional sanding applications, particularly in the automotive collision repair industry. This versatile abrasive is designed to deliver outstanding results on a variety of substrates, including painted surfaces, primers, metals, and composite materials. Its advanced construction ensures efficient material removal while maintaining a smooth, consistent finish.
Featuring a robust E-weight paper backing, this abrasive sheet roll offers exceptional durability and resistance to tearing, allowing for extended use and reliable performance even in demanding environments. The fast-cutting abrasive grains embedded in the sheet enable technicians to achieve superior results with fewer passes, saving both time and effort during the sanding process.
The innovative 3M Hookit system utilizes a convenient hook-and-loop attachment method, making it easy to attach, remove, and reuse the abrasive sheets as needed. This not only streamlines workflow but also helps reduce waste, as sheets can be quickly swapped out or reused for different stages of the repair process. The combination of high-quality materials and user-friendly design makes the 3M Hookit Blue Abrasive Sheet Roll 521U a reliable choice for professionals seeking efficiency and consistent performance.
- Ideal for sanding paint, primer, metal, and composite surfaces in collision repair
- Durable E-weight paper backing for long-lasting use and excellent cut
- Fast-cutting abrasive for efficient material removal
- Hookit hook-and-loop attachment system for easy, reusable application
- Designed to deliver a smooth, consistent finish with minimal effort

