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🖋️ Master your material’s toughness with precision and style!
The GLTL Pencil Hardness Tester ASTM D3363 offers precise film hardness measurement using a 45° angle and dual test loads (500g and 250g). It includes a set of 6 ASTM-standard pencils (HB to 5H) housed in a durable aluminum case, meeting multiple international standards for reliable, professional-grade testing.








| ASIN | B077G2D37Z |
| Brand Name | GLTL |
| Customer Reviews | 4.0 4.0 out of 5 stars (2) |
| Manufacturer | GLTL |
| Model | 43235-153141 |
| Part Number | 43235-153141 |
| Specification Met | Astm, Iso, Ul, Iec, Gs, Csn |
| UPC | 678279237047 |
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