Products Cleat & ChockBase Cleat Back Hollow Base Cleats 156-66011-00 P/N: 156-66011-00 Length: 10" (254 mm) Height: 1.8" (46 mm) Fasten: 5/16" (4) Wt.(g): 620 You May Also Be Interested In Open Base Cleat 956-03818-00 Open Base Cleat 956-03817-00 Thru-Hull Fitting 256-42924-00 Thru-Hull 256-42881-00