




🛠️ Unlock the true strength of your steel—don’t just guess, test like a pro!
The Kosiy TSUBOSAN Japan-Hardness Tester Checker File Set includes 6 precision alloy steel files designed to test steel hardness from HRC40 to HRC65. Each file features a polished finish and ergonomic metal handle, housed in a custom-fitted case for easy transport and storage. Ideal for professionals requiring accurate, durable, and portable hardness testing tools.
| Manufacturer | TSUBOSAN FILE CO., Ltd |
| Part Number | MA00600_4058 |
| Product Dimensions | 20.9 x 1.02 x 1.02 cm; 230 g |
| Item model number | JS100 |
| Colour | Polished Steel |
| Finish | Polished |
| Material | Alloy Steel |
| Item Package Quantity | 1 |
| Number of Pieces | 6 |
| Handle material | Metal |
| Special Features | Easy to Install |
| Usage | hardness test on steel materials |
| Included Components | Custom-fitted case |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 230 g |
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