Specifications:High security lock sliding window tool, which is made of durable aluminum alloy material.It can be easily applied to most environments, and by keeping the part of the window open and closed, anti-theft and thieves can prevent children from falling and protect the safety of family members while improving air flow.There is no need to install additional tools, it is equipped with a hexagonal wrench in each rich lock, and its face is set on the track by the key control.It is suitable for track heights exceeding 1.5cm/0.6 inch , and the track thickness is not greater than 1.6cm/0.63 inch.Item Name: Sliding Window LockMaterial: Aluminum AlloyProduct Properties:A (Single Hole Stopper Set)B (Double Hole Stopper Set)Features: Easy Installation, Kids Security, Anti-theftProduct Size: Single Hole: 3cm x 2.4cm x 2.4cm/1.18" x 0.94" x 0.94" (LWH), Double Hole: 6cm x 2.4cm x 2.4cm/2.36" x 0.94" x 0.94" (LWH) (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Lock Core1 x Lock Body1 x Key
