As one of the UK's leading Window Hardware spares and repairs suppliers, we can offer a range of competitively priced Twin Cam Reverse Espagnolette Locks. Espagnolette locks, also know as window espag locks are commonly found in second generation UPVC glazing. They operate using a handle / cam mechanism which locks and unlocks the window when rotated. Often the espag mechanism can fail or become faulty, in this instance it's important to replace the lock as soon as possible. Please browse the above products to source your replacement.