The BURG-WÄCHTER window lock WinSafe WS 11 is made of robust zinc die-cast and features a stable, pivoting single bolt. This bolt provides security as well as high closing comfort. The construction is particularly resistant to attempted break-ins. For wooden or aluminum windows, the bolt is VdS-tested and ECB•S-certified. The installation of the WinSafe WS 11 is particularly quick and easy. The bolt can be mounted on the top, bottom, or handle side of the window. Please note that the minimum installation width is 26 mm.