14″ window channel balance

Series 86 block and tackle is built for sideload sash applications in both residential and commercial windows and is rated class 2 on the aama verified components list, the north american fenestration standard (nafs). Series 86 is designed to allow for quick and easy installation or removal of the sash. Part# 17b13-40, 14" channel length, id stamps 13-40, 13-4, 13-d