The 81 11 250 SB siphon and connection pliers "SpeedGrip" feature fine adjustment for optimal adaptation to a variety of diameters up to 75 mm. They are ideal for connections, oil filters, plastic pipes, and siphons. These pliers are perfect for tightening and loosening siphon screw connections, plastic pipe connections, and round union nuts. They are well-suited for plugs and couplings with screw caps, such as Cannon round connectors. The design allows for gentle loosening of hoses at pipe connections and filter cartridges. They provide optimal grip on surfaces that are free from dirt, oil, and grease. The pliers have a 25-stage adjustable pivot joint and an ergonomic leg geometry. They are equipped with interchangeable gripping jaws that feature a two-component plastic insert, consisting of a hard carrier material (red) and a soft gripping material (blue). The interchangeable plastic jaws are suitable for sensitive surfaces and can accommodate diameters up to 75 mm. The clamping range is Ø 10 - 75 mm with 25 adjustment positions. Other technical features include a handle coated with non-slip plastic and a polished surface on the head.