The new ones are a lot more rust resistant and more aggressive too.
So the old file is not made from stainless steel and will actually rust?! Wow.Quote from: Reinier on March 01, 2012, 06:34:17 AMThe new ones are a lot more rust resistant and more aggressive too.
Quote from: demonoflust on March 01, 2012, 06:47:58 AMSo the old file is not made from stainless steel and will actually rust?! Wow.Quote from: Reinier on March 01, 2012, 06:34:17 AMThe new ones are a lot more rust resistant and more aggressive too.It has to do with the metal hardness. A file must be harder and so when it is treated it allows rust or stains more easily.