Product Information Male Thread: NST (NH) Swivel Thread: NST (NH) Height: 18.0" Length: 9.5" Width: 11.0" Select a Product Part NumberMale Thread SizeSwivel Thread Size FMBTFLY60F60F6"6" FMBTFLY40F45F4"4-1/2" FMBTFLY40F40F4"4" FMBTFLY45F45F4-1/2"4-1/2" FMBTFLY50F60F5"6" FMBTFLY40F60F4"6" FMBTFLY50F45F5"4-1/2" FMBTFLY50F50F5"5"