Whats this clamp for?

[bigcreek]

As stated in the title what is the intended use of this clamp?

 

[geartow]

The Original™ Locking Wrenches Features:
Heavy duty jaws lock on to three sides of a hex fastener and will not slip or mar
Designed to replace up to 16 wrench sizes
Includes a built-in wire cutter
Turn screw to adjust pressure and fit work. Stays adjusted for repetitive use
Constructed of high-grade heat-treated alloy steel for maximum toughness and durability
Classic trigger release designed to provide maximum locking force

 

[anndel]

I've seen construction worked use it to cut, hold, place rebar.

 

[toplessHO]

used for round rod too

 

[bigcreek]

Thanks for the replies. Now I know. I actually used it yesterday to hold a hex bolt while swapping out a fuel pump although I didn't know that was its intended use. Thanks again