Rockwood 557 US26D Lever Extension Flush Bolt, for Fire Rated Plastic and Wood Covered Doors, 3/4" Bolt Throw, 3/4" Rod Backset, Satin Chrome Finish

Rockwood 557 US26D  Lever Extension Flush Bolt, for Fire Rated Plastic and Wood Covered Doors, 3/4" Bolt Throw, 3/4" Rod Backset, Satin Chrome Finish

The cast brass 557 Lever Extension Flush Bolt is for use on select fire rated plastic & wood covered doors. This product maintains the door's strength with its corner reinforcing plate and is compatible with our 570 Dust Proof Strike.

• 3/4" backset

• Door strength maintained by corner reinforcing plate

• For Fire Rated Plastic and Wood Covered Doors measuring up to 4'w x 10'h rated up to and including 1-1/2 hours

• Use 570 Dust Proof Strike to prevent dirt blocking bottom strike

• Flush bolt rods cannot be extended

• Optional Torx Security Screws