55mm Door Viewer Extension with 12mm Barrel in Polished Brass

·        Perfect for Fitting Door Viewers on Thicker Doors – Extends a 12mm Barrel Door Viewer by up to 55mm, making it ideal for various door thicknesses.

·        High-Quality Polished Brass Finish – Provides a sleek, durable, and corrosion-resistant design, ensuring long-lasting use.

·        Easy Installation – Simply measure the door, frame, or wall thickness and choose the right extension to fit your needs.

·        Versatile Compatibility – Works seamlessly with 12mm Barrel Door Viewers, helping locksmiths and homeowner’s fit door viewers to non-standard door sizes.

·        Important Note: If installing through a door knocker, add 55mm to your total length requirement for the best fit.