Garage-Door-Window-Inserts-With-Good-Home-Design-Faux-Garage-Door-Windows-Inserts.jpg' alt='Replacement Decorative Garage Door Window Inserts' title='Replacement Decorative Garage Door Window Inserts' />Will Yours Keep Burglars Out ANSI grading system for locks deadbolts.The American National Standards Institute ANSI established three grades for door locks to help identify the quality and durability of locksets and deadbolts.Each product must pass operational and security tests, including cycles, door strikes and weight test.One cycle consists of the knob or handle turning completely to retract the latch bolt and open the door, then it is released, allowing the door to re latch.ANSI Grade 1 is the best choice for exterior residential door locks.Grade 1 Best. Highest grade security available.Meets commercial building requirements and is available for residential uses via deadbolts.There are not standard knobs, handlesets or mortise lockset that will meet ANSI Grade 1 certifications, only commercial lever handles.Knobs must withstand 8.Deadbolts must withstand 2.Grade 2 Better. Ideal Door White Design Insert Prairie Short Panel.Window-Prairie-510.jpg' alt='Replacement Decorative Garage Door Window Inserts' title='Replacement Decorative Garage Door Window Inserts' />
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