This part fits on 7" Steel, 8" Steel, 9" steel or 8" Resin frames. This is a replacement style of joint which utilizes a 1 inch rail (or track). It measures 5" 5/8" wide, 3" 3/4" deep and 3/4" tall. If your pool used part 2173, this part will fit in it's place. You will need to use different screws to hold it in place since it does not use the machine threads that were used by the 2173.
