SUPERIOR-GRADE SECURITY: High-quality zinc-plated steel construction with double throw deadbolt for enhanced safety and durability. Ideal for main doors, bedrooms, and bathrooms which are 28mm to 40mm thick. STYLISH AND ERGONOMIC DESIGN: Chrome-plated forend and striker plates ensure a sleek, long-lasting finish. 50mm backset prevents knuckle rubbing and allows smooth handle operation. ADAPTABLE & VERSATILE APPLCATIONS: Suitable for standard door thicknesses. Reversible design allows for easy left or right-handed installation on single or double doors. It can be used in residential and commercial complexes. BURGLAR'S NIGHTMARE: Robust latchbolt and deadbolt mechanism offers superior protection against forced entry. 176 mm European Mortise Lock with 5-Pin Brass Tumblr Mechanism, Nickel Plated Brass Keys, Corrosion-free Brass Cylinder for Enhanced Durability. Latchbolt Throw - 11mm; Deadbolt thrown - 17 mm(8.5mm+8.5mm) EASY INSTALLATION: Simple to install with or without a mortise fitting machine. Comes with a manufacturer's warranty and requires minimal upkeep for long-term performance. WARRANTY - 5 Years warranty