![MARSTEP Stainless Steel Test Kit for Differentiating 316/304 [Packaging Upgraded 2025]](https://m.media-amazon.com/images/I/81tyzLzILKL.jpg)
🔍 Know your steel, own your craft—fast, precise, and foolproof.
The MARSTEP Stainless Steel Test Kit offers a rapid, reliable method to differentiate 316 stainless steel from 304 and 201 series via a clear color change. With upgraded 2025 packaging and over 100 tests per kit, it’s designed for professionals needing quick, accurate verification of cutlery, pipes, wire, and castings—no batteries required.
| Manufacturer | MARSTEP TECHNOLOGIES |
| Part number | 1 |
| Item Weight | 18 g |
| Package Dimensions | 5.31 x 3.2 x 3.1 cm; 18 g |
| Item model number | 1 |
| Material | PE_(Polyethylene), Composition v2023 |
| Special Features | Rapid test kit |
| Included components | Stainless Steel Test Kit |
| Batteries Required? | No |
B**R
Damaged
Product damaged when delivered- this has now happened on two seperate occasions. I have raised a complaint prior to this one, and have had no reply back. Please can this be looked at as a matter of urgency.
Trustpilot
1 month ago
2 weeks ago
![Stainless Steel Test Kit for Differentiating 316/304 [Packaging Upgraded 2025]](https://images-na.ssl-images-amazon.com/images/I/81tyzLzILKL._AC_UL116_SR116,116_.jpg)
