For windows which use a concealed espagnolette 7mm gearbox rail system. Key-Locking handle with an offset mechanism which replicates the appearance of a traditional cockspur handle. Design allows the handle to move slightly away from the window frame making it ideal for slim windows and/or narrow openings. Suitable for both residential and commercial properties. Screw cover caps are supplied for a contemporary look. Fit to window using 2 screws suitable for M5 countersink holes.