Wise 11 Replacement Flat Piano Hinge 8WD11 This flat piano hinge is constructed from durable aluminum and is made as a replacement for Wise back to back boat seats. Features Aluminum Construction Pre-Drilled Mounting Holes For Flat Surface Mounting Specifications Width 2.25 Length 11 Warranty Info 3 Year Warranty Wise Seats has been a long-standing supplier of replacement and OEM boat seats. They have rightfully earned their renown for high quality boat seats. From pleasure to bass boats, and ev