Heavy Duty Concealed Geared Continuous Hinge

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Generally designed for new door applications and are applied to the frame rabbet and door edge to conceal both leaves. Made from extruded aluminum with self-lubricating polyester t hrust bearings. Stocked in 83" length to fit a standard 7' door. Made to fit 1 3/4" thick doors. Heavy Duty Grade 1 for doors up to 200lb (high frequency), 400lb (medium frequency) or 600lb (low frequency). Finished in Clear Anodized Aluminum. Show more