American Mortise
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- Heavy Duty
- American made
- ANSI Grade 1 mortise
- Heavy Duty Commerical and residential
- UL 3 hour rated
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- Commercial/Residential
- Taiwan made
- ANSI Grade 3 mortise
- Residential and light
- Commercial applications
- UL 3 hour rated
* Not for 2 1/8 predrilled door
