Tension Release Disc Fits Singer models 27, 127, 28, 128, 66, 99, 31-15
-New replacement tension release disc.
-Part # 32572
-diameter is about 7/8".
-This disk works with the early tension assembly's.
-Fits Singer model 15-30, 27, 127, 28, 128, 66, 99, 31-15,
