Heavy-Duty Aluminum: Crafted from premium die-cast aluminum alloy, this window lock is highly resistant and resists deformation for long-lasting performance. It features a unique, eye-catching heart-shaped key for quick and easy access. Dual-Hole Design & Anti-Scratch Pad: Designed with two mounting holes to securely grip the track, significantly enhancing pry resistance. The built-in soft pad protects your window frames and tracks from scratches. Secure & Easy to Use: Fastened tightly to the track with the provided screws, the lock prevents accidental sliding or movement. You can easily tighten or loosen it using the included key. Tool-Free Quick Install: No drilling or extra tools required. Simply position the lock, insert the pad, and tighten the screws in seconds. It’s easily installed, removed, or relocated to other windows. Wide Application: Ideal for most sliding windows, patio doors, and sliding glass doors. It safely limits the opening width to keep children safe and deter unauthorized entry., Manufacturer: LuLobtg