Tweed Loop and Helix Forming Plier

All tool steel inserts. Front cylinder .045" diameter, middle cylinder .060" diameter, and the rear cylinder .075" diameter. with the feature of the lower concave beak and the precision ground cylindrical sections. Added feature of utility groove in the rear portion of beaks, permits closing of loops - for use in rectangular wire up to .025" with one instrument. Lower flat beak is finely serrated for firmer grip