Clonedisk

Backup And Restore Partitioning Disk Cloning Backup Image Mbr

Main feature is backup/restore to/from an imagefile and clone a disk to another.

But you can also (not exhaustive) :
-save/restore the MBR or BS,
-delete the layout of the drive, create disk, create a main partition,
-wipe with 0's,
-resize partition (negative growth...