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Hager 4-1/2" Full Mortise Heavy Weight Ball Bearing Hinge$54.15
Two ball bearings hinge with button tip and plug. For use on heavy weight doors or doors requiring high frequency service. Stainless steel model complies with NFPA80 requirements for use on fire rated door assemblies.
Sold in packs of 3. Resources Hager_BB1199_SpecSheet; Hager_Commercial_Hinges_Catalog; Hager_Catalog_2024_Complete;