We've just got an awesome new truck-mounted vise in from Wilton. It sits in place of your trailer hitch or you can bolt it to a workbench with the included mounting bracket.

Wilton All-Terrain Vise - 10010

Wilton All-Terrain Vise with Carrying Case - 10015

Secure it in your hitch or mount it on your bench, the ATV is locked, loaded, and ready to go. Great for on-site work, the Wilton All-Terrain Vise provides you with the strength and stability necessary to get the job done.

Fits a standard 2" hitch and includes a hitch pin for security.
Can be mounted on a bench or trailer for even greater versatility with the included mounting bracket.
Patented 360° locking handle secures the handle while driving or repositions it while working.
The included set screws are designed to provide a tight fit in the hitch and reduce vibration while driving.
Water resistant for all weather protection while it's on your truck.
Large striking anvil for forming and shaping materials.
Ideal working height doesn't interfere with truck bed or tailgate.
Jaws are replaceable and include a v-groove for vertical clamping of round objects.
Pipe jaws clamp round objects up to 3".60,000 PSI ductile iron body