Adjustable Jaw Cut Nippers
Available in 5 1/2" and 7"
Starrett No. 1 Cut Nippers are particularly recommended for use in wire mills and by piano technicians, linemen, telephone workers, aircraft mechanics and others who are constantly cutting wire. Special design insures powerful leverage for efficient cutting.
The majority of wire cutters or nippers, after becoming dulled or broken, are useless. The jaws of these nippers are detachable and may be removed, reground and adjusted after becoming worn. ...
Yours do have different jaws than those show in the 1967 catalog (which look like carbide tipped end nippers)