This product is easy to fit and allows the window to be open to let in air whilst remaining locked. i.e. It is night venting and can be locked in both the open and shut positions with the supplied large headed Allen key..
The keep plate will screw to a mullion with a 20mm flat, leaving more room for mouldings. A nylon washer behind the handle is designed to reduce friction.
Supplied with Allen key and fixing screws.
Size: 5 3/8 inch x 1 3/4 inch
Fixing Plate: 2 3/8 inch x 5/8 inch
Keep Plate: 2 1/4 inch x 5/8 inch