This is a sliding window security lock, which is made of sturdy materials, will not be easily damaged, and can serve you well. It can be easily installed on the sliding window, providing you with a safer accommodation environment. Ingenious design and good craftsmanship make it bring you a good experience. Features - Material: Zinc alloy. - Size: 6.50X2.40X1.50cm/2.55X0.94X0.59inch. - Sturdy materials and good workmanship ensure its durability and practicality. - It can be easily installed on doors and windows, bringing you excellent anti-theft effect. - Use this window sash lock to replace old or broken window locks to maintain security in your home. - Smooth surface and nice polished, neat and generous, so don't need to worry about harming your hand. - It can prevent from entering your home, making your house safer. Package list: 2 Sets x Window Sash Locks