"Complete your door with the UAP Petit 10"" Black Finish Aluminium Draught Proof Letterbox, designed for compact sizing, smooth operation and long lasting performance. Suitable for uPVC, composite and wooden doors 20 to 40mm thick, it offers an ideal replacement for most standard letterplate cut outs.The telescopic sleeve system ensures a secure fit and accurate alignment on both sides of the door, while the draught proof design helps reduce heat loss and supports easier letter posting. Built from durable materials and tested to BS EN 13724 2013, it includes high strength springs that withstand more than 100,000 opening and closing cycles. The weather resistant black finish keeps its appearance over time, and installation is simple with the included alignment screws and fixings.Key Features• Internal & External Flaps: Dual-flap design improves security and provides smooth letter handling on both sides of the door.• Durable Aluminium Construction: Strong, corrosion-resistant aluminium flaps paired with an anti-scratch frame for long-lasting performance.• Patented Anti-Snap Design: Flaps open to 180° for easy access without risk of snapping or damage.• Adjustable 40–80mm Fit: Telescopic structure allows secure installation on uPVC, composite, and wooden doors.• Fast, Accurate Installation: Single fixing screw on each side auto-aligns with the screw boss for a quick, secure fit.• Fully tested to BS EN 13724 and cycle-tested over 100,000 times, this letterplate delivers dependable quality and smooth operation for years to come.• Distance Between Screw Holes: 226 mm• Letterplate Length: 250 mm• Letterplate Height: 65 mm• Letterplate Width: 40-80 mm."