This listing is for a pair of VINTAGE CRAFTSMAN tongue and groove, slip joint pliers, also known as plumbing pliers, Channellocks (i.e., Channellock brand pliers), water pump pliers (British usage), groove-joint pliers, arc-joint pliers, multi-grips or multigrips (Australian usage), tap or pipe spanners, swan neck pliers, or monkey pliers whatever you may call these pliers they are backed by CRAFTSMANS LIFETIME WARRANTY. I cannot be exact on the date of manufacture but they are old with a (P) on each handle and =CRAFTSMAN= on the side. Please don't hesitate to contact me with questions about this listing or any of my other items.