Description: Constructed from heavy duty marine grade 304 Stainless Steel. 180 degree opening angle. Left and right side dual-purpose design. 6mm 0.24'' Thickened hinge with extra strong bearing capacity. Surface treatment: mirror finish. Universal accessories for Marine/Boat/Yacht hatch, cabinet, box lid, door etc. Specification: Material: 304 Stainless Steel Size(L x W): Approx. 100 x 100 / 3.94 x 3.94 inch Pin Diameter: 15 mm / 0.59 inch Thickness: Approx. 6 mm / 0.24 inch Screw Hole Diameter: 6.5 mm / 0.26 inch Screw Hole Distance (L x W): 60 x 30 mm / 2.36 x 1.18 inch Package Includes: 1 Piece Dual-Purpose Stainless Steel 180 Degree Butt Hinge Note: 1.Please confirm this item is what you want before payment. 2.Please allow slightly difference due to manual measurement. Thanks!