CR-V DURABLE & CORROSION-PROOF: Built from drop forged Cr-V steel, these water pump pliers exhibit strength and hardness, ensuring durability under heavy use, and its surface undergoes a meticulous blackening treatment, effectively guarding against rust and corrosion, preserving the tool's exceptional longevity. EFFORTLESS PUSH-LOCK MECHANISM: The push-lock button of Tongue and Groove Pliers Set simplifies adjustments, allowing for swift locking and releasing with minimal effort. VERSATILE GRIPPING CAPABILITY: Boasting a precision-machined V-jaw, KRETLAW Groove Joint Pliers effortlessly secures various workpiece shapes, including squares, flats, circles, hexes, and more, enhancing your work pieces. ERGONOMIC COMFORT: The water pump pliers feature a comfortable, ergonomic handle design that fits snugly in your palm, minimizing hand fatigue even during extended use. WHAT YOU WILL GET: The 3 quick adjustable groove joint pliers, spanning sizes 180mm, 250mm, and 300mm, tailored to streamline your tasks for greater ease, safety, and efficiency. The roll bag, equipped with sturdy buckles, can be neatly rolled up for portability or hung on the wall for organized storage., Weight: 2.8439631798 pounds, Manufacturer: Hangzhou Yangtuo Import and Export Co., Ltd