Window Locks Yale offer an extensive range of window locks designed, developed and tested to deliver highest levels of performance for security, ease of use and service life. Flush Sash Shootbolt System Yale Rapide Window Lock Shootbolt Window Lock Yale Encloser Stallion Reverse Espag Stallion 2 Shootbolt Mustang Slim Line Shootbolt Mustang Slim Line Reverse Espag Pegasus High Security Window Lock