This lot consists of ten (10) pieces of a #(3/8"-16) x 2-1/4" long, steel, zinc-plated, truss head, square neck carriage bolt. Basic bolt diameter = 0.375", head diameter = (0.782-0.844)", head height = (0.188-0.208)", square depth = (0.188-0.219)". Powered by eBay Blackthorne 04.00.018