ROHN's R-45JBK section joint bolt kit includes three (3) 5/16 in by 2 3/8 in NF zinc-plated Grade 5 bolts with nuts and three (3) 7/16 by 2 in NF zinc-plated bolts Grade 5 with nuts. This is the same kit that comes standard from the factory with all Rohn model 45G tower sections.