changing door lock
Locksmiths have a keen eye for detail as well as skilled and deft hands purchase on the tiny little parts and mechanisms of a lock.
Locksmith services are also very useful if have got somehow broken your key off in the actual lock. Locksmiths usually carry 3 varieties of torsion wrenches: light, medium and stiff. Beginning with manual picks, tension wrenches, key turners and lever picks.