7-STAR* Fire Bracket for 280KG 600Lbs EM Lock (Model:DA-FB600)

Material are High Strength Aluminum,Firm and Durable.

Easy, fast and accurate armature installing compared to traditional installation method.

Special Design, Suitable for metal door,narrow frame door, fire door, particularly thick door, and the door that is not easy to penetrate through the screw, etc.

If the door frame is too thick, armature plate housing is needed to be installed for the armatur plate