Innovative gripping pliers easily adjust with the touch of a button, for optimum adaptation to different size work pieces. No more time-wasting test-adjusting! Pliers self-lock on pipes and nuts, for minimal slipping and lower hand force required. Specially hardened teeth ensure consistent gripping and low wear for longevity. Reliable catching of hinge bolt eliminates unintentional shifting. Pliers have built in pinch guard to protect your fingers, and are constructed of oil-hardened, chrome vanadium electric steel. Ideal for precision mechanics, hobbies, and extremely confined spaces. 5” OAL, 13 positions.