Heavy duty main door lock-union

Heavy duty main door lock-union Key Features: • 10/10 Security Rating – The highest possible rating for exceptional attack resistance • BS3621:2007 Certified – Meets British Standard for insurer-approved external door security • Heavy-Duty Construction – Robust 5-lever detainer mechanism in a reinforced case for maximum durability • Self-Adjusting Roller Latchbolt – Simplifies installation and ensures smooth operation on left or right-handed doors • 10-Year Manufacturer's Guarantee – Provides long-term assurance of quality and reliability • Premium Finishes – Available in Satin Chrome and Polished Brass to match door furniture • Expert Recommended – Top-of-the-range sashlock highly recommended by master locksmiths • CE Marked & Fire Rated – Complies with European safety standards and offers fire resistance • Versatile Sizing – Available in multiple case sizes to fit a wide range of door thicknesses