Description Security Locks: This Sliding Window Stopper Lock For Home And Office, You Can Either Keep The Windows Partially Open Or Closed To Avoid The Hidden Danger That Children And Pets Can Climb Through The Window. In Addition, It Prevents Burglars From Entering. High Quality Materials: The Sliding Window Lock Is Made Of Aluminum Alloy, With Fine Workmanship And High Quality. The Surface Has Been Carefully Processed, Beautiful And Reusable. Easy To Carry: Our Window Locks Are Very Small And Convenient To Carry To Other Places Where You Need Our Window Locks. Portable, Easy To Move From Window To Window Or Take With You. Easy To Install: Easy And Convenient To Install And Disassemble, Each Window Can Be Locked With The Included Hex Key Control, Keep It On Track Through. Widely Used: Sliding Window Locks Can Be Easily Applied To Most Environments, Such As Patio Doors, Sliding Glass Doors, Sliding Windows Of Hotels, Residences, Hospitals, Schools And Offices To Provide Children A Safe Environment. Features: Add More Security To Your Sliding Doors And Windows To Keep You And Your Family Safe Inside. It Is Strong, Strong And Sturdy, With Fine Workmanship, Aluminum Alloy Frame And Stainless Steel Screws That Can Be Fully Exploited For Many Times. There Is No Need To Install Additional Tools, It Equips A Hex Key In Each Window Lock, Holding On The Track By The Key Control. Suitable For Sliding Doors And Windows, Such As Courtyard Doors, Sliding Glass Doors, Sliding Windows, Etc. Specifications: -- Size: -- Hex Key: 49 X 5Mm/1.93 X 0.19In -- Lock Body: 60 X 24 X 24Mm/2.4 X 0.94 X 0.94In -- Material: Aluminum Alloy -- Color: Silver, Yellow -- Quantity: 4 Pcs Package Includes: 4 X Sliding Window Locks With Keys Notes: Please Confirm The Height Of Your Window/Door Rails At Least 1.5Cm/0.6Inch, The Thickness Of The Rail No More Than 1.6Cm/0.63Inch. This Window Lock Does Not Is Not Suitable For The Rail In The Middle Of The Window.