Rocker with red lens and imprint 0 K.5 Alu. Rocker with red lens and imprint - 0 -. For rocker switches and rocker pushbutton switches 2-pole Off, rocker switches 3-pole Off, group pushbutton BA 1-way. For lighting and control circuits. Flush-mounted installation, surface program. Material: plastic, thermoplastic, aluminum-coated, halogen-free.