All our window channel balances are an excellent solution for returning single and double hung windows back to almost new working condition. Although our balances are sold seperately, we highly recommend replacing both channel balances to achieve eaqually balanced windows that open with very minimal force. Part# 17b36-10, 37" channel length. Id stamp: 36-10, 36-1, 36-a
Number. 50418300
Brand: FRAMELESS HARDWARE