*CrMo material, heat treated
*Chemically molybdenum for corrosion protection
*Ideal for air, electric or manual impact wrenches
- Not easy to rust*Full rarange of styles
*Durable and durable
*Firmly installed
*High quality materials 
Harden Tools is a leading specializes in the manufacturing, product development, sales and service of hardware tools and devotes. Providing industriallevel hardware tools, tools set, sockets, spanner tools with high cost-performance ratio.Official website address：https://www.hardentools.com/
