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Pro-grade auto-body supply · Any quantity · 23,000+ SKUs in stock
23,000+ pro-grade SKUs in stock
Motor Guard

Motor Guard MR-3 Assortment Magnetic Ruler Set (12-, 24-, 36-in) for Measuring Flat and Curved

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$35.87
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30-day returns
Overview

Built for the job.

Flexible magnetic rulers. Allowing hands-free measuring of any steel surface, flat or curved. Pinstriping, lettering, sign painting, locating, the applications are endless.

Why Pros Choose Motor Guard MTG

  • Set contains (3) rulers in 36 in 24 in and 12 in lengths users of these unique rulers report reduced layout time and increased productivity
  • Made in USA

How to Use

For locating pin striping, lettering and emblems

Compatibility

Compatible substrates: Steel.

Specifications

Technical specifications for MOTOR GUARD MR-3 Assortment Magnetic Ruler
Part No. MR-3
Product Line MTG
MFR Model 00791
Includes (3) Rulers in 36 in 24 in and 12 in lengths
Application For locating pin striping, lettering and emblems
Manufacturer Motor Guard Corporation (Optima)
UPC 601965007914
Brand MOTOR GUARD

About Motor Guard

Motor Guard is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.

Frequently Asked Questions

What surfaces can Motor Guard MTG be used on?

Motor Guard MTG is compatible with Steel. 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 Motor Guard MTG?

Most in-stock orders for Motor Guard MTG 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.

Is this Motor Guard product genuine?

Yes. autofxmart is an authorized distributor of Motor Guard 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 Motor Guard MTG?

The MPN for Motor Guard MTG is MR-3. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.

Why Buy from autofxmart

  • Authorized distributor — authentic, factory-fresh stock.
  • Fast US shipping — most orders ship within 1 business day.
  • 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

1Read the product's instructions before first use.
2Set it up and check fittings/connections.
3Use steady, even technique for consistent results.
4Clean after use to keep it performing.
5Store dry and protected between jobs.
Specifications

Full data

BrandMotor Guard Corporation (Optima)
Part #MR-3
UPC601965007914
ApplicationFor locating pin striping, lettering and emblems
OriginUS
ConditionNew
Includes(3) Rulers in 36 in 24 in and 12 in lengths
Frequently asked

Good to know

Motor Guard Corporation (Optima) MTG is compatible with Steel. 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 Motor Guard Corporation (Optima) MTG 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 Motor Guard Corporation (Optima) 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 Motor Guard Corporation (Optima) MTG is MR-3. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.

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