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STANLEY, Steel, Satin Brass, Spring Hinge - 487F75|2060R 4 5X4 5 US4 - Grainger
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4" Heavy Duty Spring Hinges for Castlegates | Unhinge
Hinge Outlet Adjustable Spring Hinges, 4 Inch with 5/8 Inch Radius in Satin Nickel, Self Closing Hinges, Door Closing Hinges, 2 Pack - Amazon.com
Global Door Controls 3.5 in x 3.5 in Satin Nickel Full Mortise Spring Non-Removable Pin with 5/8 in Radius Hinge - Set of 2 CPS35355/8US15M - The Home Depot
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