3-Pronged clamp is available in Steel or Aluminum
construction, 10" long with prongs covered by rubber tubing.
Extension clamp is
constructed of Steel and is 8" long with cork covered jaws. Steel 3-Prong Clamp
is shown at top in photo, Extension Clamp is shown at bottom.
Jaws of each clamp open to approximately 3-1/2".
Aluminum Clamp is not