Deltana S35R5BB15 Ball Bearing Steel 3 1/2-Inch x 3 1/2-Inch x 5/8-Inch Radius Hinge Steel 3 1/2"x 3 1/2"x 5/8" Radius Hinge, Ball Bearing Wood screws #9 x 3/4" are provided Available in an array of fine finishes