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With so many lock grades on the market, which grade is actually the most secure for a residential front door?

ANSI Grade 1 is the highest residential lock grade and the one our technicians at Sundial Locksmith consistently recommend for exterior doors — it's tested to withstand more cycles, higher impact forces, and greater pick and drill resistance than Grade 2 or Grade 3 hardware. For Phoenix homeowners who want hardware that won't need to be revisited in three years, starting at Grade 1 is the practical choice. Call (480) 525-7778 to get Grade 1 hardware specified and installed at your property.

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