crystal clear screws-on covers, which become an integral part of the switch, not a separate clip-on cap. No more glue or velcro holding the symbols on, it's part of the switch
measures 66mm x 25mm high . Because it has the unique screw-on switch cap, symbols or objects up to 2mm thick can be placed securely under the switch cap without any fear of the cap 'popping off'. That's easily enough room for several unlaminated symbols or a couple of laminated ones