Package includes:Â 4 x heat shrink sleeves, 4 x metal wire jointers, 1 x screw driver, 1 x roll of PVC tape. Standard connector: a) Strip both ends of the wire to 5mm b) Slide shrink-sleeve over one of the wires c) Join the two ends together using the metal connector d) Wrap joint tightly with the PVC tape e) Slide sleeve over the assembly and shrink it with gentle heat.