snake plier spring lens removal sz/4-german

Description

alois weber  snake plier sz-4.  pat#828677.  made in  germany. i  used  this  device to  remove  lens  elements  from  shutters. 6 1/4" metal  bar.  stainless  steel  coiled spring. 2-coiled springs placed over the work to be turned and the  coils of  the spring lighened as the  main  bar is  turned  right or  left hand threads can  be delt with turning the  spring 180 degrees.