Schlage 5/8" Radius Corner 3.5" x 3.5" Steel Plain Bearing Mortise Hinge - Three Hinges Coordinating with Schlage locks and builders hardware these hinges feature a durable steel construction and lubricated knuckles that prevent binding. When its quality door hardware you are looking for Schlage is what you will find. Features: Sold as Three Hinges (Cannot be sold individually) Plain Bearing Hinge Residential Strength Removable Pin: Yes Wood Screws Included 5/8" Radius Corners Traditional / Classic Theme Arc Hole Pattern 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: 3.5 Inch Height 3.5 Inch Width Made from Steel Mount: Mortise Gauge: 0.085" (Thickness of Hinge Steel) 5 Knuckles 6 Screw holes For over 90 years, Schlage has been making homes more stylish and secure with the best door locks and door hardware. Today the Schlage family of products also includes the very best in electronic locks, keyless door locks, and home security. Let Schlage"s hardware and security solutions protect and enhance the things that matter most to you.