Bommer LB4390C-450 4.5" x 4.5" Stainless Steel Single Acting Spring Hinge - Full Mortise
The Bommer LB3490c-450 Single Action Spring Hinge is made of Stainless Steel and is Full Mortise. Bommer LB3490C-450 spring hinge is non-handed, and UL listed for fire door applications.
Bommer LB4390C-450 Certifications
|UL:||BHMA Certified Grade 1|