Put this Bear-Tex® Vortex® Rapid Prep™ A/O medium grit TR (Type III) non-woven quick-change disc to work on stainless, soft metals, including carbon steels, titanium and aluminum and enjoy the smear-free finish of clean bond resin technology, even if you're using this disc on an alloy high in nickel. With a strong nylon scrim supporting premium high loft nylon fiber, this disc offers stiff, thick resin and aluminum oxide grain that provide the cutting power of a coarser grit while giving your projects a fine grit finish.