Description
Verify the thickness of uncoated sheet metal and plate iron prior to fabrication. The Magnum SMG provides U.S. Standard measurements and decimal equivalents for quick reference.
Features
- U.S. Standard Numbers – Measures from 0 to 36 gauge for iron and steel.
- Hardened Steel Construction – Resists wear during repeated shop use.
- Satin Finish – Reduces glare to make readings clear and legible.
- Decimal Equivalents – Displays corresponding measurements on the reverse side.
Specifications
- Gauge Range: 0 to 36 (0.3125″ to 0.007″)
- Diameter: 3-1/4″ (83 mm)
- Material: Hardened Steel
- Supplier Part Number: MAG-SMG
- KMS Product Code: MAG-SMG
Common Shop Applications
- Checking material thickness before welding
- Verifying stock for the English wheel
- Identifying steel plate sizes
Recommended Shop Add-Ons
- Magnum 6″ Pocket Ruler
- Magnum Combination Shrinker/Stretcher
Frequently Asked Questions
Q: What gauge range does it measure? A: It measures U.S. Standard Numbers 0 to 36.
Q: Does it show decimal equivalents? A: Yes, decimal equivalents are printed on the reverse side.








