Child Protection Baby Security Key Lock Sliding Doors Windows Restrictor Safety Adjustable Sliding Window Locks Door Stopper Bullet Points: 1?High-quality Material: The Fashion Sliding Door Lock is made of a high-quality aluminum alloy frame and stainless steel screws, which is well-made, sturdy, and durable. 2?Easy Installation: The Sliding Window Lock is equipped with a hexagonal key, which is fixed on the track by key control. No need to install additional tools. 3?Various Options: The Sliding Window Security Lock has two designs of a single lock and a double lock. Adjustable window safety locks garage door frame child anti-theft safety lock with key. 4?Wide Applications: The Sliding Window Wedge Restrictor Lock has wide applications, which can prevent children from falling and keep families safe while improving air circulation. 5?Excellent Design: The Sliding Window Lock has a proper volume about 3 x 2.4 x 2.4 cm/ 1.18 x 0.94 x 0.94 inch (LWH), suitable for track height greater than 1.5 cm/ 0.6 inch, track thickness not greater than 1.6 cm/ 0.63 inch. Feature: 1. Easy installation: no need to install additional tools, each window lock is equipped with a hexagonal key, which is fixed on the track by key control 2. Durable material: strong, sturdy, exquisite workmanship, aluminum alloy frame, and stainless steel screws can be reused many times 3. Versatile: Can be easily applied to most environments; By keeping windows partially open and closed, burglars and thieves can prevent children from falling and keep family members safe while improving air circulation Specification: Pattern: single lock/double lock material: metal Size: 24mm*30mm*24mm/24*60*24mm Packing List: 1* Window Lock Notice: 1. Due to manual measurement, please allow 1-3cm difference, thank you for your understanding! 2. Due to the difference between different monitors, please note that the picture may not reflect the actual color of the item.