MRO Tools offers the full line of Wera Tools for sale online. Wera is one of the worlds leading manufacturers of screwdriving, ratchet and hand tools. Wera develops and produces tools for professional, industrial applications, and is a solution-provider for problems associated with screw connections.Wera Stainless Steel Tools have the property of not rusting. However, if tools out of conventional steel are used for stainless steel components or screws, the wear particles from these tools can adhere to the surface and rust.This effect is known as extraneous rust. This can impair the visual appearance and even cause structural damage that may result in high costs for the repair work. The wear particles that cause this rust effect can be prevented by using stainless steel tools. The stainless steel tools from Wera are vacuum ice-hardened and have the hardness and strength needed for workshop applications.