Standard Duty for Medium Frequency Doors. Heavy Duty for High Frequency Doors or Heavy, Medium Frequency Doors, can be Used With Any Door and Frame Material, Security Molding, 1/32" (1 Mm) Inset
Standard Duty for Medium Frequency Doors. Heavy Duty for High Frequency Doors or Heavy, Medium Frequency Doors, can be Used With Any Door and Frame Material, Security Molding, 1/32" (1 Mm) Inset