What the heck is this for?
(http://imageshack.us/a/img545/6820/lcp6.jpg)
(http://imageshack.us/a/img51/4651/1pgv.jpg)
(http://imageshack.us/a/img32/7274/9oej.JPG)
(http://imageshack.us/a/img819/9325/l4ro.jpg)
Piston Ring Pliers ??
Probably, though I never used anything but my fingers.
yes piston ring installing pliers.
3 for 3, thanks guys.
Probably this: https://www.google.com/patents/US2452857
unless it's older, than perhaps this: https://www.google.com/patents/US1511761