[source:https://i.ytimg.com/vi/9isFzs9flcw/maxresdefault.jpg]
[source: http://www.tracepartsonline.net/(S(do51hrpyrhcwynlyko204r1r))/PartDetails.aspx?PartID=69-30032009-113523&class=SCHMALZ&clsid=/F_SCHMALZ/]
[source: http://www.robotics.org/content-detail.cfm/Industrial-Robotics-News/Schmalz-Needle-Grippers-Lift-Things-Which-Vacuums-Cannot-Grip/content_id/1561]
[source: http://us.schmalz.com/aktuelles/produkte/vakuumkomponenten/00360/]
[source: http://us.schmalz.com/imperia/md/images/aktuelles/presse2/vt/2014/2014-02_schmalz_neue_nadelgreifer-baureihe_sng.jpg]
[source: http://robotnor.no/wp-content/uploads/2013/02/N2.jpg]