This is stainless steel.  A magnet will not stick to it.  I used to have the white, enamel ? coated beater  and over time the enamel finish would chip off.  Not with this bad boy.  For those folks who did the reviews on a beater bar that turned  colors in the dishwasher, well, it wasn't this one. It must have been another flat beater. I've run it through the dishwasher with no problems.  I should have purchased this a long time ago!