Knipex Rapid Adjust Swedish Pipe Wrench S-type (16-1/2")Knipex Rapid Adjust Swedish Pipe Wrench S Type (16 1 2"e;) Time saving, precise adjustment of the opening width at the press of a button directly on the workpiece Less effort required due to self locking action No unintentional shifting of the pliers Pinch guard prevents operators fingers being pinched S type jaw Maximum load capacity due to completely hardened handles Three point gripping on pipes, self locking For use on plumbing fittings and auto