
Material: Iron. Size: About 6 x 3.7 x 2.3 cm (L x W x H). The distance from the window, the largest: 4.2 cm, the smallest: 2.5 cm, please confirm the size of your track before purchasing. Convenient: No need to install additional tools, equip a hex key on each lock window, holding the track by key control. Safety Locks: This sliding window lock for home and office, can keep the windows partially open or closed to avoid the hidden danger of children and pets climbing out of the window. In addition, it prevents thieves from entering. Wide Usage: Can be easily applied to most environments. By keeping the windows partially open and closed, the thief and robbers can prevent children from falling and protect their family's safety while improving air circulation.