The Knipex 87 01 250 SB Cobra High-Tech Water Pump Pliers are professional-grade hand tools designed for gripping and holding pipes, nuts, and various workpieces in plumbing and mechanical applications. Measuring 250mm in length, these pliers feature a reliable push-button mechanism that allows for quick and precise adjustment directly on the workpiece. The design ensures self-clamping on pipes and nuts, which prevents slipping during use and reduces the manual effort required for tightening or loosening fasteners. With a refined fine-adjustment system, the tool adapts to different sizes while maintaining a comfortable handle width to support ergonomic operation during repetitive tasks.