Screw-on rocker switch S.1/B.3/B.7 aluminum, matt. Screw-on rocker switch with cover plug for screwing. For rocker switch off/changeover, cross. For rocker buttons. For 1-way button BA and 1-way group button BA. Flush-mounted installation, standard/surface/design range. Material: plastic, thermoplastic, shatterproof, halogen-free.