The Knipex 12" Alligator Water Pump Pliers (88 01 300) offer superior performance and comfort compared to traditional water pump pliers. With 9 adjustment positions, these pliers provide 30% more gripping capacity, making them ideal for working with a wide range of pipe sizes and nuts. The slim design allows for excellent access to workpieces, even in tight spaces. These pliers feature self-locking jaws that ensure a secure grip with minimal hand force, preventing slippage during use. Their hardened teeth ensure a reliable and long-lasting grip, while the box-joint design adds extra stability. Built for outdoor and heavy-duty use, these pliers also include a pinch guard to protect your fingers. Crafted from chrome vanadium electric steel and oil-hardened for durability, they are a reliable tool for professionals. These pliers have a polished, black atramentized surface finish and a non-slip plastic handle. The jaws have a maximum opening of 2 3/4 inches for round pipes and 2 3/64 inches for hex nuts. They meet DIN ISO 8976 standards.