Channellock 463 16" Tongue & Groove PlierChannellock 463 16" Tongue & Groove Plier Features: Plier Tongue and groove V jaw design for use on round stock and tubing Right angle teeth grip in all directions for maximum bite and minimum wear Right angle teeth grip in all directions for maximum bite and minimum wear Patented undercut tongue and groove design assures no slip jaw action Patented reinforcing edge minimizes stress breakage Patented PermaLock fastener eliminates nut and bolt failures 16" Carded