Contact MIRA direct for spares. (Were called Mira Caradon now
Kohler or similar sounding name. A google search on Mira will find their contact details (STILL IN cheltenham I think).
To repair remove cover to bottom or top fixings of the vertical slider bar to reveal screws and remove either end from wall to allow holder to be slid off bar.
Replace with new and re-attach. Mira will supply (mine, pistol grip type cost £13) most spares for in excess of 10yrs.
kibby
January 2006