Key benefits and why you need this lock Longlasting protection: Primarily made of copper and finished with vacuum electroplating, the lock resists rust, corrosion, and fading so it maintains appearance and function over time. Strong and secure construction: Largetonnage diecasting molding and a reinforced design produce a thick, sturdy lock body that improves stability and provides reliable security. Smooth, stable fit: The polished, smooth bottom improves seating and reduces wobble, helping the lock stay steady in daily use. Features and performance Material: Mainly copper construction for durability and corrosion resistance. Surface finish: Vacuum electroplating that resists fading and corrosion. Manufacturing: Largetonnage diecasting molding creates a strong, dense lock body. Design: Reinforced/sturdier profile to enhance mechanical strength and security. Finish detail: Polished smooth bottom for stable installation and reliable operation. Applications: Suitable for installation on doors and casement windows; appropriate for bedrooms, offices, and other spaces. How this lock solves common problems Prevents deterioration from moisture and time: Rust and faderesistant materials reduce maintenance and replacement needs. Reduces loose or wobbly fittings: The thick cast body and polished base improve stability and keep the lock functioning securely over repeated use. Provides consistent security: Durable copper construction and reinforced design help maintain locking performance under normal daily stress. Practical use scenarios Bedroom door: Install to secure privacy and provide a reliable, lowmaintenance locking solution that resists wear. Office door: Use on private or fileroom doors to maintain a consistent, professional appearance while delivering dependable security. Casement window or similar opening: Fit on casements to secure ventilation openings against unauthorized entry and resist outdoor exposure. Compatibility and installation notes Intended for standard door and casement applications; confirm fit with your door or window hardware before installation. Designed for stable, longterm performance in residential and light commercial environments.