DETAILS: The 190lb stack is in 10lb increments as an upgrade to Powertec cable pulley machines such as the Functional Trainer or Lat Tower Option In combination with the standard weight horns, total weight resistance is increased up to 500lbs. This weight stack is intended for Powertec products only For Use with Powertec cable products ONLY When combined with the top plate, the toal weight is 200lbs.