"Complete your door with the UAP Petit Master 10"" Black Aluminium Draught Proof Letterbox, designed for compact sizing, reliable performance and a clean modern appearance. Suitable for uPVC, composite and wooden doors 40 to 80mm thick, it provides an ideal replacement for most standard letterplate openings.The telescopic sleeve system ensures a secure fit and accurate alignment on both sides of the door, while the draught proof construction helps reduce heat loss and supports smoother letter posting. Built from durable materials and tested to BS EN 13724 2013, it features high strength springs that withstand more than 100,000 opening and closing cycles. The weather resistant black finish maintains its appearance over time, and installation is simple with the included alignment screws and fixings."