Exquisite workmanship, wear resistance and durability of this window lock. It has a punch-free design and is easy to install without the need compatible tools. A lock can be installed on windows and doors to prevent them from sliding and to increase security and burglary prevention, while preventing children and pets from climbing and walking out. It is constructed of stainless steel material. There are 4 styles compatible you to choose from. This lock is perfectly suitable compatible home, household, bedroom, restroom, office, etc. Item Name: Window Lock Material: Stainless Steel Features: Safety Protection, Child Protection, Durable Size Details: Style: A, Size: 6.8cm x 3.6cm x 3.1cm/2.68" x 1.42" x 1.22" (Approx.) Style: B, Size: 2.46cm x 2.43cm x 1.93cm/0.97" x 0.96" x 0.76" (Approx.) Style: C, Size: 4.92cm x 2.1cm/1.94" x 0.83", Chain Length: 20cm/7.87" (Approx.) Style: D, Size: 5.8cm x 2.46cm x 2.4cm/2.28" x 0.97" x 0.94" (Approx.) Yellow Rod, Length: 2.22cm/0.87" (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 Window Lock 1 x Yellow Rod