Screw-on rocker switches S.1/B.3/B.7 polar white, matt. Screw-on rocker switches with cover plugs for screwing. For rocker switches. For rocker buttons and group rocker buttons. For 2-way BA button and 2-way BA group button. Flush-mounted installation, standard range. Material: plastic, thermoplastic, shatterproof, halogen-free.