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Title: SOSS Invisible Hinge Model 218  
Category: Door Hardware  
Brand: SOSS  
Description: A concealed 20‑minute fire‑rated hinge for 1‑3/4" thick material, opening 180° with a single‑action motion.  
Details: Zinc construction with antique brass finish, mortise‑mounted, no adjustment required, featuring nylon links for smooth operation.

Price is $