The ratchet teeth on the jack stands may not sufficiently engage the pawl to a sufficient depth, possibly causing the stand to fail under load.
If the stand fails, it can suddenly drop, increasing the risk of injury to anyone nearby or under the lifted vehicle.
What to do
Harbor Freight will notify owners, and dealers will provide a gift card equal to the shelf price of the jack stands free of charge.
The manufacturer has not yet provided a notification schedule. Owners may contact Harbor Freight customer service at (800) 444-3353.