Products Cleat & ChockBase Cleat Back Hollow Base Cleats 156-66012-00 P/N:156-66012-00 Length: 12" (305 mm) Height: 2.1" (53 mm) Fasten: 5/16" (4) Wt.(g): 1,020 You May Also Be Interested In Heavy Duty Hollow Base Cleats 156-66111-00 Open Base Cleat 956-03816-00 Self Mounting Guard Rail 956-00006-00 Stamped 956-06093-00