Specifications
| Load | 1000g |
| Applicable standard | GB/T 6739-1996 |
| Standard pencil | 6B-6H（13支） |
Packing list
Hardness Tester x1, 13 advanced drawing pencils (6H~ 6B)
After-sales instructions
Warranty days: 365 days
【Warranty Principle】
The purchase of this product is calculated from the date of the purchase contract, and the warranty period is 1 year, and the freight is borne by the customer during the warranty period.
Damage caused by improper use will be repaired by the manufacturer, and the customer will pay.
[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/683/Specification.html , which is only used by users who purchase commodities from the NBCHAO.