KNIPEX "ALLIGATOR" ADJUSTABLE GRIPPING PLIERSHighlights:12" overall length1-3/4" pipe and 1-7/8" nut capacitiesBox joint constructionSelf-gripping on pipes and nuts Unique jaw design shaped to eliminate nut-burringSpecial hardened teeth (60HRC approx.)Optimum lever action7-position adjustmentMaterial: Chrome vandium electric steel, oil hardene