Invisible Hinge Model 218, 20 Min Fire Rated, Zinc Black E-Coat, 1-3/4" Thick

Invisible Hinge Model 218 for 1-3/4" Thick Material, 20 Minute Fire Rated, Zinc, Black E-Coat Exterior Finish, Model Number 218US19. #218 SOSS invisible hinge for 1-3/4" to 2" thick material, zinc hinge bodies, steel and nylon links, 20 min FR, opens 180 degrees.

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