Double locking nose Double locking nose Hand lever Disc springs NEW! Double locking. Standard equipment with FZ60 - 100. Optional for FZ50/50.1 With double locking, the wedge lock is held in place with two strong „nose-shaped“ lugs. The wedge lock is also securely held in place when the load is inversed, e.g. by down pressure on the bucket or resistance against the silage cutter grapple when cutting. The double locking option for the FZ50 / 50.1 is recommended for the most demanding operating conditions. An additional charge of 400,- € applies for the option.