DELTANA S35HD1B Black Square Hinge, Holes per Leaf: 3

Deltana S35HD 3-1/2 x 3-1/2 Plain Bearing Square Corner Full Mortise Hinge - Pair Features: Includes two (2) hinges in each order Constructed from steel for long lasting durability Mounting hardware included for quick and easy installation Deltana offers a limited 3 year mechanical and 1 year finish manufacturer warranty Product Te... morechnologies: Mortise Hinge: Mortise door hinges mount flush with the surface of your door, providing maximum strength with the least interference with door functionality. It is recommended that three hinges be used on doors up to and including 7-1/2 feet, with one additional hinge for each additional 2-1/2 feet. Be sure to check your current hinges before making a purchase. Material - Steel: Steel is cheap, strong, and durable, making it a favorite for hinges of all types, despite it being slightly more prone to rusting than solid brass or stainless steel. Specifications: Width: 3-1/2" Height: 3-1/2" Hinge Mount: Mortise Removable Pin: No Material: Steel Mount Type: Surface Mount 3 1/2 x 3 1/2 Black