KNIPEX Cobra Water Pump 16-in V-Jaw Pliers16 in overall length Thin head fits into tight places Gripping surface with special hardened teeth (Approx. 61 HRC) wear resistant and grips any shape object flat, round, hex or square Self locking on pipes and nuts no slipping off the workpiece, no knuckle busting Provides fast adjustment on the work piece by simply sliding the top pliers handle 3 1 2 in gripping capacity, 27 adjustment positions Fine adjustment optimum adjustment to different size