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 shear-head screws, 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 connector with shear-head screw, cleaning cloth, emery cloth, assembly instructions.