I don't have any of these, but maybe somebody here does. The recall affects the 3 ton and 6 ton heavy duty jack stands.
https://images.harborfreight.com/hftweb/recalls/Jack-Stand-Recall-56371_61196_61197.pdf
https://www.roadandtrack.com/car-cu...-jack-stands-recalled-for-risk-of-collapsing/
NHTSA link:
https://static.nhtsa.gov/odi/rcl/2020/RCLRPT-20E016-6561.PDF
https://images.harborfreight.com/hftweb/recalls/Jack-Stand-Recall-56371_61196_61197.pdf
https://www.roadandtrack.com/car-cu...-jack-stands-recalled-for-risk-of-collapsing/
NHTSA link:
https://static.nhtsa.gov/odi/rcl/2020/RCLRPT-20E016-6561.PDF