Inside six angle spanner, black is good or white is good, why some have black, I prepare to buy, but don't know to buy what kind of color
It Star STANLEY Germany wiehahn the Great Wall (the top of the price is the most expensive in the rest of life not bad when Jiabao can pass by)I use the unit to buy the Star work commonly used for 78 years without wear only wear the six corners of the nickel coating, quality is of course if you are not commonly used in it is sufficient
Buy six angle wrench on the main material from the durability of S2 (foreign domestic steel grades like CR-V called CR-Mo) the best of the worst carbon steel heat treatment process at the level of the general election a big brand, you can choose from low to high.
Black is called black and white. It is nickel plated or chrome platedWhite relative to nickel plating is better, the coating is not easy to fall offAre surface treatment, mainly to prevent oxidation and rust
