| SKU | 7100378682 |
|---|---|
| Legacy SKU | 60450003946 |
| UPC | 00068060066473 |
| Catalog Number | 37452 |
| 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 | 1.4052 lbs | |
|---|---|---|
| Width | 6-1/4 in | |
| Length | 6-1/4 in | |
| Height | 3 in |
Shipping Dimensions |
|
| Weight | 7.625 lb |
|---|---|
| Length | 16.25 in |
| Width | 6.8748 in |
| Height | 7.25 in |
| Color | Blue |
|---|
PRODUCT FAQ
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What is the grit size of the 3M™ Hookit™ Blue Sheet Roll 37452?
The 3M™ Hookit™ Blue Sheet Roll 37452 has an 80E grit size, which is great for stripping, shaping, or leveling surfaces.
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What are the dimensions of this roll?
Each roll is 2-3/4 inches wide and 8.7 yards long (that’s about 70 mm x 8 meters), giving you plenty of sanding surface to work with!
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How does the Hookit™ attachment system work?
The Hookit™ system uses a hook-and-loop design, similar to Velcro, so you can attach and remove the sheet quickly from compatible backup pads—making it really easy to switch grits or replace sheets.
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How many rolls come in one case?
There are 5 rolls in each case, making it convenient for larger projects or for sharing among your team!
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. Whether you are preparing a surface for painting or smoothing out imperfections, this sheet roll provides the performance and reliability you need.
Constructed with a robust E-weight paper backing, the 3M Hookit Blue Abrasive Sheet Roll 521U offers exceptional durability and resistance to tearing, ensuring a longer lifespan even during demanding sanding tasks. Its fast-cutting abrasive grains are optimized to remove material efficiently, helping you achieve a smooth, consistent finish with fewer passes. This not only saves time but also enhances productivity in your workflow.
The innovative 3M Hookit system features a convenient hook-and-loop attachment, allowing for quick and easy sheet changes. This reusable design means you can attach, remove, and reattach the abrasive sheets multiple times without compromising performance, making it a cost-effective and user-friendly solution for both small and large-scale projects.
- Ideal for sanding paint, primer, metal, and composite surfaces in collision repair
- Durable E-weight paper backing for extended product life and consistent performance
- Fast-cutting abrasive grains for efficient material removal
- Hookit hook-and-loop attachment system for easy, reusable application
- Suitable for both hand and machine sanding

