The problem associated with your lock or key can only be resolved by calling on a commercial locksmith. Commercial locksmiths help in fixing major to minor security issues after getting a simple phone call. They use various tools and apply various strategies to fix the issue most conveniently. The most common tool a commercial locksmith is using include torsion wrench tool, Allen wrench tool, bolt cutter, screwdriver, drill machine, etc. The most common strategy applied by locksmiths for fixing lock issues includes constructive technique and the destructive technique. The constructive technique works well in silently unlocking the door lock by using some common tools which include torsion wrench tool, Allen wrench tool, and the use of long narrow z shape metal wire. Locksmith DC is best in solving lock and key problems as they are trained and qualified commercial locksmiths to involve in handling security issues.