I am making a new thread because I think this is a safety issue. HF did a recall a few months ago about their jack stands, now the replacement jack stands are being recalled too.
www.thedrive.com
Harbor Freight Tools recalls steel jack stands due to welding defect

Harbor Freight Recalls Even More Jack Stands Over Weld Defects
Third time's the charm, we suppose.

Harbor Freight Tools recalls steel jack stands due to welding defect