The UAP Framemaster is the go-to replacement for a majority of postal letterplates. Its adaptable telescopic design allows it to adjust seamlessly to doors with thicknesses ranging from 20mm to 40mm. Compatible with most uPVC, composite, and wooden front doors. The UAP Framemaster offers a simplified installation with aligning screws on each side that match up perfectly with their corresponding receivers, ensuring a swift and robust assembly. With flaps that meet the rigorous standards of BS EN 13724:2013, they have undergone machine testing to guarantee their durability. Furthermore, the highly resilient hinge springs have been rigorously tested to endure over 100,000 cycles of opening and closing. For detailed dimensions and to confirm compatibility, please refer to the accompanying images. This mail box has aluminium flaps to provide strength and durability combined with an anti-scratch white plastic frame. Both the external and internal flaps opens to 180 degrees for easy access and to prevent them from snapping off when opened too far. This is a 300mm x 65mm mailbox finished in smooth white. Simply insert the internal and external sleeves and tighten with the screws provided. The adjustable sleeve makes this suitable for uPVC panel doors between 20-40mm in thickness.