Block
3M
3M 5741 Hand Block 7-3/4 in x 2-3/4 in Hook and Loop for Surface Leveling
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WARNING: Cancer & Reproductive Harm
This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.Tap for details → P65Warnings.ca.gov
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Ships within 2 days
30-day returns
Overview
Built for the job.
3M™ Hookit™ hand blocks are made from a sturdy, durable, high strength plastic with an easy release hook face. Use with 3M™ Hookit™ abrasives sheets 2-3/4 x 7-3/4 in for leveling of repair areas to produce a true, flat surface.
Why Pros Choose 3M MMM
- Durable
- Comfortably fits in hand
- Produces a true flat surface
- Use with 3M™ Hookit™ abrasives sheets
How to Use
For surface preparation
Compatibility
Compatible substrates: Plastic.
Specifications
| Part No. | 5741 |
|---|---|
| Product Line | MMM |
| MFR Model | 05741 |
| Application | For surface preparation |
| Manufacturer | 3M Products |
| Alternate Part Number-1 | 7000045715 |
| UPC | 051131057418 |
| Brand | 3M™ |
| Material | Plastic |
| Width (in) | 2-3/4 |
| Color | Yellow |
| Length (in) | 7-3/4 |
| Attachment Type | Hookit™ Hook and Loop |
About 3M
3M is a global leader in abrasives, masking, and body repair products. Trusted by OEM collision centers for high-performance prep and finishing solutions.
Frequently Asked Questions
What surfaces can 3M MMM be used on?
3M MMM is compatible with Plastic. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
How fast does autofxmart ship 3M MMM?
In-stock orders for 3M MMM ship within 2 business days from our California warehouse, to the lower 48 states only. Standard ground delivery usually takes 2–8 business days after that. Freight-class items are quoted and scheduled separately.
Is this 3M product genuine?
Yes. autofxmart is an authorized distributor of 3M products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
What is the manufacturer part number (MPN) for 3M MMM?
The MPN for 3M MMM is 5741. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
Documents & Safety
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — orders ship within 2 business days, lower 48 only.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at support@autofxmart.com.
How to apply
Steps
1Pick the right grit for the stage of work.
2Mount on your sander or backing block.
3Work evenly and let the abrasive cut.
4Step through finer grits to refine.
5Blow off and wipe the surface before the next step.
Specifications
Full data
Frequently asked
Good to know
3M Products MMM is compatible with Plastic. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
Most in-stock orders for 3M Products MMM ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Yes. autofxmart is an authorized distributor of 3M Products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
The MPN for 3M Products MMM is 5741. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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