Cylindrical Knobs
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Grade 2 Standard duty commercial and heavy duty residential buildings, interior and exterior doorsHealthcareHospitalityOffice / RetailApartments/Residential housing
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Grade 1 Heavy duty commericial applications, high traffic areas, commercial and institutional interior and exterior doorsGovernment BuildingsHospitalsCommercial buildingsSchools/Universities
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Grade 2 Standard duty commercial and heavy duty residential buildings, interior and exterior doorsOffices/WarehousesApartment buildingsHotel/Motel/RetailResidential housing
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Grade 2 Standard duty commercial and residential buildings, interior and exterior doorsOfficesApartment buildingsHotel/Motel
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Grade 1 Heavy Duty for high-use commercial, industrial and institutional interior and exterior doorsHospitals and nursing homesMunicipal buildingsSchools/UniversitiesAirports


