Channellock GL6 6-1/2 GripLock Utility Tongue and Groove Pliers
The GripLock is a tongue and groove utility pliers.  As all Channellock, Inc. tongue and groove pliers it has right angle teeth to grip in all directions.  The PermaLock fastener eliminates nut and bolt failure.  The special jaw design accommodates many shapes.  The pliers have 5 adjustments with a jaw capacity of 1-1/16 inches.  Channellock invented the famous undercut tongue and groove design so the pliers won't slip. And of course it has the Channellock Blue comfort grips.  They are 100% guaranteed against breakage and failure.