300 Series Standard Duty
Application:
For installation on wood and hollow metal doors and frames
For light commercial and residential use
500 Series Medium Duty
Application:
For installation on wood and hollow metal doors and frames
For commercial use
5000 Series Medium/Heavy Duty
Application:
For installation on wood and hollow metal doors and frames
For commercial use
800 Series Heavy Duty
Application:
For installation on wood and hollow metal doors and frames
For heavy duty commercial use
8000 Series Extra Heavy Duty
Application:
For installation on wood and hollow metal doors and frames