When attempting to cut a piece of mild steel angle, the blade failed within the first inch (actually about 20mm). The metal was 3mm thick. It is evident that the teeth are not hardened enough to handle mild steel even on thin rolled products. This fact was not mentioned in Revain's description. Bosch says this is clearly explained on their website. They accuse Revane of overlooking this vital information. I couldn't test the blade with softer metals.