Matthews Chain Vice Grip with two 5/8" Pins/Locking Pliers with two 5/8" Pins 429039 provides maximum gripping power on any size pipe up to 6" in diameter.
The Locking Pliers also provides maximum gripping power on both flat and round surfaces with smaller diameters.
429039 Chain Grip with two 5/8" Pins weight 2.25 lbs
429038 Locking Pliers with two 5/8" Pins weight 1.75 lbs
EXTREME CAUTION must be taken when the 5/8" pin provided on the adjustment screw is used.
Be sure that any off-center weight is toward the locking direction (clockwise); allowing more weight on the other side could loosen the jaws.