Specifications
| load | 750g |
| Applicable standard | According to the WolffWilborn specification |
| material | steel |
| size | 102*92*55mm |
| Standard pencil | 1 set of special pencils for hardness testing (17 specifications in total for 6B... 9H) |
| Weight | 2.2kg |
Packing list
After-sales instructions
None
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/2023/Specification.html , which is only used by users who purchase commodities from the NBCHAO.