Detailed description on Read Write Head Change Tool :
The online physical data recovery course contains both text and videos to guide you as to how to perform a head stack transplant with ease.
In your career you will come across hard drives that have been burned where the read write heads are almost burned out completely, flooded drives where the heads have suffered water or corrosive damage. Some hard drives will have suffered head damage due to the heads knocking against the limiters or if the hard drive has been dropped. In these and many other situations you will need to use head replacement technology.
In time as your skills increase you can use the read write head tool to keep the heads from crashing during alignment. If you have a large quantity of these hard drive read write head tools you can choose to leave the plastic wedges in donor drives prior to using these parts if you wanted to prepare ahead.