Discover the pinnacle of security with Yale Doormaster's Adjustable Multi-Point PVCu Door Lock YDM-ADJ-PVCu-35, a revolutionary high-security lock designed to seamlessly replace existing PVCu door locks. Boasting a universal fit with a 35mm backset and a 16mm faceplate, this state-of-the-art lock is equipped with top and bottom hooks or bolts, ensuring unparalleled protection against unauthorized entry. The lock's adjustable design, featuring patented technology from Yale, makes it installer-friendly and guarantees an optimal fit for nearly all PVCu doors. With 3 robust hooks for superior security and anti-separation, combined with adjustable rollers for a weather-tight seal, this lock is engineered to safeguard your home from both intruders and the elements. The lock comes pre-assembled with Yale's unique 'Uni-packer' system for keeps, offering a fast, reliable, and hassle-free installation process. Certified PAS 24 door set capable and backed by a 10-year guarantee, the Yale Doormaster Adjustable is the ultimate choice for enhancing the security of your PVCu doors.