Specialties: WE DO NOT duplicate keys or work on car keys. We offer mobile locksmith service specializing in residential, commercial and automotive emergency lockouts. Lockouts Re-keys, Lock Installations and more! Emergency home/car Door Opening Emergency Lock Opening Full Security Surveys Locks & Safes Established in 2015. M&H locksmith has been working in San Gabriel Valley area since 2015 and we provide all kinds of Locksmith Service such as lockouts, lock change Re-keys for commercial and residential. M&H locksmith priority is to provide professional affordable and pleasant experience to our customers.