24/7 Emergency call out ,NO CALL OUT CHARGE . CC Locks is small family business based in Derby and offers a 24 hour 7 days locksmith service to Derby ,Mansfield ,Burton and surrounding areas.Non destructive entry methods always applied wherever possible and all aspects of lock replacement and lock fitting from scratch undertaken . Mortice locks of insurance and police approved British standard 3621 available.Oversized cylinders on upvc doors replaced with correct size for increased security .No job to small and very competative rates .