For permanent labeling. For changeover switches, cross switches and buttons. To be completed with switch and button, 1-way. Accessories Large label field with tactile contrast symbol for rockers and sockets with label field 434791/92/93/94. Scope of delivery 4 pictograms per rocker (1 service, 1 light, 1 bell, 1 neutral). Material Thermoplastic, matt. Color anthracite.