[Kyrie]

Hi Folks,


With good reason. Strawing is not a finish, but the result of the heat treatment given to the small parts most exposed to abrasive wear; it's intended to produce a file hard surface to reduce abrasive wear. The down side to this heat treatment is it increases the brittleness of the treated part and decreases that part's ability to withstand shock. The extractor is subject to more shock than abrasion, and hence was not heat treated in the same way as were the strawed parts.


Hope this helps.


Best regards,


Kyrie