• Enhanced uPVC Window and Door Security: Ideal for securing uPVC windows and doors against unauthorized access. • Robust Protection: Prevents prying open of the sash or door leaf, a common break-in method • Child Safety: Designed to stop children from unlocking and opening the window, ensuring added safety. • Keyed Locking Mechanism: Once locked with the key, the locking arm remains immovable, providing reliable security. • Resistance to Forced Entry: Offers significant resistance to deter attempts at forced entry. • Versatile Fit: Suitable for uPVC windows and doors that open in or out. • Additional Security: Easy to install for an affordable boost in home security. • Included Packets: Comes with 1mm and 2mm packers for a precise fit.