Introducing the Cobra 5-Piece Water Pump Plier Set, the ideal choice for both professionals and DIY enthusiasts seeking reliable and high-performance tools. Crafted from top-grade chrome vanadium electric steel, these pliers are engineered for outstanding durability and strength. The multi-stage oil-hardening process ensures they withstand the rigors of daily use, making them a long-lasting addition to your toolkit. With specially hardened teeth boasting an impressive hardness of approximately 61 HRC, these pliers provide exceptional wear resistance and a firm grip on a wide range of workpieces. Designed with user convenience in mind, the innovative press-button action allows for quick and precise adjustments on the go, ensuring you can easily adapt to different sizes and shapes. The self-locking mechanism on pipes and nuts enhances safety by preventing slips during operation, giving you confidence while tackling various tasks. The box joint design adds stability, ensuring a secure catch on the hinge joint and minimizing the risk of unintended movement. This comprehensive set includes five essential sizes: 125mm, 150mm, 180mm, 250mm, and 300mm, catering to all your plumbing and mechanical needs. Packaged in a durable polyester fabric tool roll, your pliers are protected and organized, featuring a convenient hook-and-loop fastener for easy access. Elevate your toolbox with the Cobra Water Pump Plier Set and enjoy the perfect combination of durability, precision, and practicality for all your projects.