Description Unless specified, B50 bowstrings will be built 4″ shorter than AMO bow length. B55 bowstrings will be built 3.5″ shorter than AMO bow length. D97 low creep bowstrings will be built 3″ shorter than AMO bow length. Recurve end-loops will be slightly larger and longbow end-loops will be slightly smaller. B50/B55 2-bundle strings: black/white D97 2-bundle strings: red/black Your choice of center serving.