The KNIPEX TA8701400 Cobra water pump pliers are a high-quality, professional-grade tool designed for secure gripping, holding, pressing, and bending applications. With a length of 400 mm, these pliers offer a wide gripping capacity up to 95 mm (3 3/4 inches) and are suitable for pipes up to 3 1/2 inches. They feature a self-locking mechanism on pipes and nuts, preventing slipping and requiring less hand force. The box-joint design ensures high stability and durability, while the fine adjustment allows for optimal adaptation to different workpiece sizes. Made from chrome vanadium electric steel, oil-hardened for strength and wear resistance. The handles are coated with non-slip plastic for a comfortable and secure grip.