They're made from heavy-duty metal with wide jaws ... a spring clamp is an alternative to a screw clamp. Spring clamps have a scissors-like action. The padded jaws open when you squeeze the ...

Using a C-clamp involves a threaded mechanism which screws the jaws closed ... making it far more suited to heavy-duty work. Size is another consideration. The jaw capacity -- or how wide it ...

Heavy-duty Shark clamps have a quick-acting pushbutton to allow sliding the handle freely in and out to a maximum opening of 5 in. or 6.5 in., depending on the model Heavy-duty Shark clamps have a ...