C-Clamp Tool 1.Strong Malleable steel frame. 2.Machine ground,wide anvils. 3.Steel sliding-pin handles for secure hold. C-Clamp Tool1.Strong Malleable steel frame.2.Machine ground,wide anvils.3.Cold-drawn steel screws with smoothly rolled threads.4.Steel sliding-pin handles for secure hold.5.Bright plated steel swivels,securely fastened to screws and revolves freely. C-Clamp Tool