HGST SED revert tools

Anybody knows that HGST SED disk revert tools? I have some SED disks which was locked and now I would like to reformat them and reuse them. But it cannot be formated because the SED locked.

Anyone know how to unlock or revert them?
Disk is HUSMM8040ASS201 and HUSMM1640ASS201

Thanks a lot.