Heat shrink connection sleeve for universal use for connecting plastic cables and lines with insulation made of PVC, PE and VPE. With screw connectors with grub screw, suitable for aluminum and copper conductors. Areas of application: indoors, outdoors, soil, water, installation ducts, empty pipes. Properties: compact dimensions, large line and cable cross-section range, resistant to chemical influences, resistant to alkaline earths, stabilized against UV rays, free of substances that impair paint wetting, halogen-free, transversely watertight, high electrical insulation values, high mechanical strength. Scope of delivery: outer sleeve, inner sleeves, screw connectors, hexagon wrench, cleaning cloth, emery cloth, assembly instructions.