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🛠️ Unlock the secret hardness of your steel—because precision is the new power move.
The TSUBOSAN Kosiy Japan-Hardness Tester Checker File Set includes 6 polished alloy steel files designed to test steel hardness from HRC40 to HRC65. Compact and durable, these files come with an ambidextrous handle and a custom-fitted case, making them an essential tool for metalworkers and knife makers seeking reliable, affordable hardness testing without expensive equipment.
| ASIN | B000TGHFLC |
| Best Sellers Rank | 96,624 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 110 in Surface & Hardness Testing |
| Brand | TSUBOSAN |
| Colour | Polished Steel |
| Customer Package Type | FFP |
| Customer Reviews | 4.8 out of 5 stars 3 Reviews |
| Exterior Finish | Polished Steel |
| Exterior finish | Polished Steel |
| Finish | Polished |
| Handle Attachment Mechanism | screw |
| Handle Compatibility | Material Specific |
| Handle Material | Alloy Steel |
| Handle Type | Pull Handle |
| Included Components | Custom-fitted case |
| Indoor Outdoor Usage | Indoor |
| Is Weight Bearing | No |
| Is the Product Left or Right Handed? | Ambidextrous |
| Item Depth | 10.2 Millimeter |
| Item Dimensions L x W | 20.9L x 1W centimetres |
| Item Weight | 230 Grams |
| Lock Type | No Lock |
| Manufacturer | TSUBOSAN FILE CO., Ltd |
| Material | Alloy Steel |
| Metal | Alloy Steel |
| Model Number | JS100 |
| Number of Items | 6 |
| Part Number | MA00600_4058 |
| Product dimensions | 20.9L x 1W centimetres |
| Shape | Rectangular |
| Special Features | Hardness testing |
| Style | Modern |
| Theme | Metalworking |
| Unit Count | 1.0 count |
| Usage | Metalworking |
B**S
A tad expensive, but
I make knives and can’t afford a Rockwell tester. These are a decent way of testing after heat treatment, but are a bit awkward to understand at first.
Trustpilot
5 days ago
2 weeks ago