These energy-saving waterpump pliers are designed to provide a secure grip while offering several advantageous features. With a self-locking effect achieved through special jaw geometry, they ensure a reliable hold on pipes and nuts. Despite their large grip width of up to 1 ½ inches (42 mm) and a wrench opening of 36 mm, these pliers are lightweight, weighing only 180 grams. The gripping teeth are induction hardened to approximately 61 HRC, guaranteeing a permanent and secure grip. The pliers boast high stability, thanks to the box joint design, and are equipped with a forged closing limiter that protects against pinching. Constructed from forged chrome vanadium electric steel, they exhibit durability and strength, making them a dependable choice for various gripping tasks.