| type | frame |
| WFT | 50 / 100 / 150 / 200μm |
| Application width | 60mm |
| precision | ± 3μm |
| material | Stainless steel 1Cr17N2 |
| standard | ASTM D 823 |
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;