{"product_id":"mckinney-ta2771-4-1-2-full-surface-standard-weight-bearing-hinge-five-knuckle-square-corner","title":"McKinney TA2771-4-1\/2 Full Surface Standard Weight Bearing Hinge, Five Knuckle, Square Corner","description":"\u003ch2\u003eMcKinney TA2771-4-1\/2 Full Surface Standard Weight Bearing Hinge, Five Knuckle, 4-1\/2\", Reversible, Square Corner\u003c\/h2\u003e\u003cp\u003eThe McKinney TA2771 is a full surface, standard weight bearing hinge built for reliable performance on medium-frequency commercial doors. Measuring 4-1\/2 inches, it features a five knuckle design with two ball bearings that provide smooth, dependable operation while reducing wear over time. The square corner profile mounts directly to the surface of the door and frame, making it a practical choice for retrofit and new installations alike. Fully reversible for use on doors of any hand, this hinge combines durable construction with easy specification. As part of McKinney's trusted TA series, it delivers proven quality for high-traffic openings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull surface mounting for straightforward installation on door and frame faces.\u003c\/li\u003e\n\u003cli\u003eStandard weight construction suited to medium-frequency commercial applications.\u003c\/li\u003e\n\u003cli\u003eTwo ball bearings ensure smooth, long-lasting movement.\u003c\/li\u003e\n\u003cli\u003eFive knuckle design offers balanced strength and stability.\u003c\/li\u003e\n\u003cli\u003eSquare corner profile for a clean, conventional appearance.\u003c\/li\u003e\n\u003cli\u003eReversible design works on both left- and right-hand doors.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct 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