Steel harder then mild steel (abrasive cut off wheels should be used for harder than mild steel, abrasive cut off wheels are a much cheaper to cut hardened steel rather than damaging the $70.00 multipurpose blade)<br> | Steel harder then mild steel (abrasive cut off wheels should be used for harder than mild steel, abrasive cut off wheels are a much cheaper to cut hardened steel rather than damaging the $70.00 multipurpose blade)<br> |