Advanced Mechanism – Springless Floating Locking Pins coupled with side & bottom bars that scramble out, providing highest protection against picking. Each key is 1 in 30, 00,000 crores to resists duplication. 5 Strong Locking Bolts. 22mm double throw main bolts Provides Superior Locking for Highest Safety Durable Keys - The keys are made of rustproof, bend-resistant Hard Grade Nickel-Silver alloy Flawless Finish – Premium PU paint finish for an elegant look with enhanced durability Enhanced Privacy – The Aldrop bolt from inside provides added security and cannot be opened from the outside even with its own key. Premium Quality Construction - Strong Die Cast Alloy body with integrated handle and robust design provides inherent strength to your door lock. Seamless Operation – To lock the door, rotate the knob from inside or use the key from the outside. Lock can be unlocked from outside by the key and by rotating the knob from the inside.