TFB197 manual flush bolt is designed for hollow metal door, and UL 3-hour fire rated.
SPECIFICATIONS
Application
For fire rated door
HandingĀ
Non-handed
Body
Steel
Faceplate
Stainless steel, 1″ x 6-3/4″
Bolt
5/8″ throw, 7/8″ vertical adjustment
Screws
Provided for metal door