A unique and elegant design with minimal plastic surround. Letter flaps are made from 304 stainless steel for ultimate corrosion resistance (galvanised mild steel for painted finishes). Flaps open to 180 degrees, eliminating any excess leverage on pivot points. Features Stainless steel return spring to ensure a continuous positive return action External flap has a complete peripheral seal that also forms a full thermal and acoustic barrier Cycle tested to 100,000 operations Detachable clamping screw boss for alternative direct face fixing to panel
