Emtek 92013 3.5" x 3.5" Square Corner Plain Bearing Mortise Hinge - Pair, Polished Nickel

All Emtek items are made to order. Features: Sold as a pair Plain bearing hinge Heavy-duty strength Removable pin: Yes Wood screws included Square corners Arc hole pattern Product Technologies: Plain Bearing Hinge: Plain bearing hinges feature knuckles that are machined to a smooth surface, allowing them to move against one another without bearings. Plain bearing hinges are not recommended for heavy use on high traffic entrance ways, but meet the need of a standard residential door. Material - Steel: Steel is cheap strong and durable making it a favorite for hinges of all types. Though it is more prone to rusting than solid brass or stainless steel. Mounting: The standard corners for mortised door hinges are 1/4" radius, 5/8" radius and square corner. It is recommended that three hinges be used on doors up to and including 7.5 feet with one additional hinge for each additional 2.5 feet. Make sure you check your current hinges before making a purchase. Specifications: Height: 3.5" Width: 3.5" Material:Steel Mount: Mortise Gauge (Thickness of Hinge Steel): 0.095" Knuckles: 5 Screw Holes: 6