Kc Tool Provides a closer look at Wiha’s German Made ErgoStar Auto Open Hex Key Set. The Professional Quality Hex sets come in Metric and Standard. They are made of CVM Steel, Hard Chrome Finished and through hardened for durability.
https://www.kctoolco.com/
website:https://www.jhmindustry.com/
Shanghai Jian & Mei Industry and Trade Co., Ltd. is the company which manufacture and export fasteners and metal hardware, founded in 2006, with import-export authority. Now, 80% products export to all over the world and 20% sell in domestic market.