Our Cleat Cover Boxes are made from sturdy cast aluminum. Each has stainless steel hinge pins for fast accessibility. Design allows for easy installation utilizing the cleat holes to mount the cleat cover box. The distance between bolt centers are 2 3/4". This unit comes complete with padlock and 2 extra long 1/4" stainless steel mounting screws. Cleat is not included this is the box only. Cleats that are recommended for this box are the 9" Standard Aluminum, 9" Cast Bronze, 9" Stainless Steel or the 9" Chrome Plated Bronze.