Thank you for viewing! ^ ^ New, unopened ALSOK Alsok Lock Security Deterrent Effect Comprehensive Security Burglary Prevention [ALSOK Window Lock] A reliable auxiliary lock! Easy to install on sliding windows This is an auxiliary lock from the ALSOK brand that is installed on the inside of aluminum sash sliding windows in your home. It enhances crime prevention by delaying the time it takes for criminals to break in, such as by breaking the glass. Easy to install! Just stick it on the glass surface with adhesive stickers. No tools required, ready to use immediately. The lock plate consists of two plates. Locking only one plate allows you to lock the window even when it's slightly open. You can ventilate while taking crime prevention measures. The "ALSOK mark" visible from the outside also helps deter crime. Adds visible peace of mind. Recommended for those who want to easily start crime prevention measures! Installing it at the top and bottom of the window will further enhance the crime prevention effect. I am selling it because I have extra. It is new and unopened, but please refrain from purchasing if you are concerned about minor details as it has been stored personally. Size: Approximately W8.2 x H6 x D0.9cm Yu-Yu/Raku-Raku Mercari delivery may be subject to change.