Shear cutter blades shown schematically: top pair shown in open position; bottom pair shown part-closed.
84user
2010-07-13
self drawn referencing photograph at <a rel="nofollow" class="external free" href="http://www.mcclainoiltools.com/MessageCenterDetail.aspx?ContentID=15">http://www.mcclainoiltools.com/MessageCenterDetail.aspx?ContentID=15</a>