![Stainless Steel Test Kit for Differentiating 316/304 [Packaging Upgraded 2025]](https://m.media-amazon.com/images/I/41OL-A57NGL._AC_SL3840_.jpg)








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🔬 Know your steel, own your craft.
The MARSTEP Stainless Steel Test Kit offers a fast, reliable way to distinguish 316 stainless steel from 304 and 201 series through a simple color-change test. With over 100 tests per pack and all necessary components included, this compact, upgraded 2025 kit delivers professional-grade results in just 2 minutes—ideal for quality control in manufacturing, maintenance, and inspection.
| ASIN | B0BRJLWV9Q |
| Batteries Required? | No |
| Best Sellers Rank | 90,001 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 99 in Surface & Hardness Testing |
| Customer Reviews | 1.0 1.0 out of 5 stars (1) |
| Date First Available | 12 Jan. 2023 |
| Guaranteed software updates until | unknown |
| Included components | Stainless Steel Test Kit |
| Item Package Quantity | 1 |
| Item Weight | 18 g |
| Item model number | 1 |
| Manufacturer | MARSTEP TECHNOLOGIES |
| Material | PE_(Polyethylene), Composition v2023 |
| Package Dimensions | 5.31 x 3.2 x 3.1 cm; 18 g |
| Part number | 1 |
| Special Features | Rapid test kit |
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