38MM-78MM LETTER PLATE SILVER

 38MM-78MM LETTER PLATE SILVER

• Size of letterbox frame is 300mm x 70mm 
• Internal measurement is 255mm x 43mm  

• A unique and elegant design with minimal plastic surround.
• Letter flaps are made from stainless steel for ultimate corrosion resistance.
• Flaps open to 180 degrees, eliminating any excess leverage on pivot points.
• Stainless steel return spring to ensure a continuous positive return action.
• The 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 the panel.