Siphon and connection pliers with fine adjustment for an ideal fit to various diameters. Suitable for siphons, oil filters, plastic pipes, and connections up to 80 mm in diameter. Robust and durable, these pliers are perfect for tightening and loosening siphon screw connections, plastic pipe connections, and round nuts. They are well-suited for connections and couplings with screw fittings, such as Cannon circular connectors. Designed for gently loosening hoses on nozzles and filter cartridges, they provide optimal grip on dirt, oil, and grease-free surfaces. Features an ergonomic handle geometry and various clamping widths for hexagonal, round, and square shapes.