“1Hardness chrome vanadium steel, the product is made of high hardness
chrome vanadium steel forging
Overall heat treatment, good toughness
2Not easy to rust, surface alloy bronze
Rust-proof treatment, not easy to rust
Durable and easy to use
3Square interface, 1/2 square interface
This end corresponds to wrench, extension rod”
Product material S2 alloy steel
Color Bronze
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