A handy person from harrison, nj says:
June 9, 2014
According with the information that I found on the window, the serial # 051-500001 ... I need to replace the Pivot Lock Shoes.... thanks in advance
Tom from SWISCO responded:
June 10, 2014
Without knowing the size of your shoe, it's hard to recommend a replacement. That said, you could start by looking at our 15-175. Carefully compare the dimensions we show to your own shoe and see how well they match.