The Hoppe London tilt & turn locking window handle is suitable for most types of tilt and turn windows and comes supplied in various finishes. The Hoppe London tilt and turn handles are key locking and are fully revrsible. The Spindle on the tilt and turn handle is 7mm x 30mm. The tilt and turn handle comes supplied with 1 key. easylocks are the UKs main supplier for Hoppe London tilt & turn locking window handles.