$ sudo apt-get update
$ sudo apt-get install mgltools-sff 

mgltools-sff is installed in your system.

Make ensure the mgltools-sff package were installed using the commands given below,

$ sudo dpkg-query -l | grep mgltools-sff *

You will get with mgltools-sff package name, version, architecture and description in a table

mgltools-sff package basic information: