This head change tool (Head Comb) is made for safe and easy head replacement on following series of Seagate hard drives with 3 or 4 platters:
This head change tool can also be used on Seagate hard drives with 2 platters from series:
During the whole procedure of head replacement, heads and platters have absolutely no contact. Heads are lifted over the NON-data area and safely guided over the platters. In process of installing back the donor head, same procedure needs to be done. Heads are guided over the platters with no contact and safely deployed in non-data area.
*This tool comes as a single piece, not in pair.