MILEXT NUTRI 1200 BLENDER BREAKS CONSTANTLY

PURCHASED A MILEX 1200 NUTRI BLENDER JUST ON A YEAR AGO.. ABOUT 6 MONTHS IN THE BLADE ATTACHMENT STRIPPED.. I WAS TOLD I NEED TO PURCHASE A NEW ONE.. I EVENTUALLY PURCHASED THE NEW UNIT, AND TODAY, 5 MONTHS LATER, THIS UNIT STRIPPED AS WELL.